# another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine

60,394 results, page 86
1. ## physics

A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 0.3 Hz. (a) What is the angular velocity of this system?

asked by Anonymous on November 26, 2012

i have a homework assignment i do not know how to do. i was out sick so i have not learned this. hear is the question......y varies directly as x. find the constant of variation and write an equation for the direct variation. question 1: y=15 when x=5

asked by gavyn on January 15, 2009
3. ## Calculus

I saw this question asked, but I didn't understand the answer format. My prof doesn't use dx and dy after he has differentated the problem. He just uses (for example) 8x+2+y+xy(prime) The question is this: 4x^2+2x+xy=12 and y(2)=-4 find y(prime)(2) by

asked by Elisabeth on February 24, 2010
4. ## s.s.......... help me

in the 1860's ( in ur opinion) would u have voted to impeached johnson? why or why not ? The key word in that question is YOU. If you answer the question, then we will be happy to proof-read or make suggestions regarding your answer.

asked by Annaiiz on February 6, 2007
5. ## English - ms. sue

ms. sue i also have to answer one question from story that be the story move from describing two similar friends to ones whose views become much different. it say what writer do to intensify contrast b/w the 2 to show that now each of us b by herself. I

6. ## math

hi I reposted this question to see if I would get the answer the person who posted this one last time says that 9sqrt3 is wrong (and I check if they were right) do here is the question again Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR (meaning that

asked by Grace on March 22, 2017
7. ## MsSue- re

im sorry my post appeared twice it didn't show my question when i looked then when i posted it again it was there. Im sorry my computer is a bit slow. thankyou for your help now you have explained the question ive got an idea what i need to do. Thankyou

asked by Kerrie on March 17, 2009
8. ## chemistry

i have a homework packet that i am struggling with can you please help me my first question is i have to finish the following equation to balance it out my question is 3Fe3O4+blankAl→blankAl2O3+blankFe now i tried and i got 3Fe3O4+2A=2Al2O3+2Fe i don't

9. ## dog groomer

what are some potential legal or ethical issues that would pertain to the dog grooming business?? I have ask google and ask on the net and maybe it's a diffucult question because I could find nothing on the net pertaining to this question can you help?

asked by lisa on August 30, 2009

I posted a question a while ago, I was hoping someone would get back to it? Its not a difficult question, I'm just unsure whether to debit or credit accumulated amortization. This is for march 31 and the adjustment is 100 of amortization. What do I do?

asked by kat on September 18, 2010
11. ## Physics-Just a clarification

I have a question? What does hf = hi+Vivertical stand for? I haven't seen hf or hi or Vivertical yet in class-I just started a few weeks ago. Bob Pursley answered a question but I don't know what the abbreviations mean. Thank you for the direction-

asked by LynAnne on October 6, 2010
12. ## Chemistry

I have this question as a review question: The reaction N2(g)+3H2(g)2NH3(g) begins with 1.15 M N2 and 1.36 M H2. At equilibrium, the concentration of NH3 is 0.78 M. Determine the extent of reaction. The answer is supposed to be 86 but I don't know how

asked by Sara on June 23, 2015
13. ## Nutrition

I am not finding the answer of this question in my text for my Nutrition Class(Dehydration Assignment)... Can anyone help me answer this? Here is the question.. What effects can alhohol and caffein have on hydration levels in the body?

asked by Jen on June 26, 2009
14. ## science aka gravity

so anyways my science teacher mr mcfaddengave us this question for homeworkpredict what will happen if 30 pencils taped together and dropped at the same time with a single pencil . i get that in gravity he is trying to say which one will land first that is

asked by victoria on September 14, 2009
15. ## math

A teacher prepares a test. She gives 5 objective type questions out of which 4 have to be answered. Find the total ways in which they can be answered if the first 2 question have 3 chioce and the last 3 have 4 choices. I think this a permutation question

asked by michele on April 14, 2011
16. ## Intergrated science

I need help... I don't know where to begin to answer this question. We are working in force/work ok... This is the question: A pole vaulter weighing 175 lbs leaps 16 ft over a bar . How much work is done?

asked by Harris on January 24, 2013
17. ## Physics Tough question!

A pond has the shape of an ice cream cone with the tip slices off and has a depth of 5.00m. The atmospheric pressure above the pond is 1.01 *10^5 Pa. The circular top surface (radius = R2) and circular bottum (radis = R1) of the pond are both parrallel to

asked by ALan on March 9, 2010
18. ## Math

Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a hobbit’s house, as shown in Figure 1. The distance from W to H is 45 inches. Then the same two tiles are rearranged at the top

asked by Edgar on November 28, 2016
19. ## Math

A flag pole and a building stand on the same horizontal level from a point P at the bottom of the building the angle of elevation of the top T of the flag pole is 68 degree.From the top Q of the building the angle of elevation of the point T is 28

asked by Glory on May 19, 2016
20. ## trigonometry - kindly help, needed badly

From a point on the bank of a stream,the angle of elevation of a tree top on the opposite bank is 38 degrees and 23 mins. And from a point 200.6 ft. straight back from the bank, the angle of elevation of the tree top is 20 degrees and 22 mins. Find the

asked by rhinechilde on September 12, 2014

my science teacher showed us a diagram of a tiny light bulb on top of a D-cell battery,there was an electric wire touching the bottom of the light bulb.the electric wire was touching the bottom of the light bulb to the bottom of the battery.BUT, the other

asked by Celest on February 28, 2012
22. ## Computers

I am supposed to type out a report, but our Microsoft Office Word program is messed up somehow. I have the letters set to Times New Roman size 8... but they're HUGE!!!!!!!! So big I can only fit about 5 sentences on a page. Also, at the end of every line,

asked by Jenna on May 11, 2007
23. ## Math - Word Problem

Word problems confuse me >_> You are choosing between two long-distance telephone companies. Company A charges \$.09 per minute plus \$4 monthly fee. Company B charges \$.11 per minute with no monthly fee. X = number of minutes you call long distance y =

asked by Lynn on October 12, 2011
24. ## Physics

A cart loaded with bricks has a total mass of 25.4 kg and is pulled at constant speed by a rope. The rope is inclined at 30.6 ◦ above the horizontal and the cart moves 18.4 m on a horizontal ﬂoor. The coeﬃcient of kinetic friction between ground and

asked by Casey on October 14, 2013
25. ## physics

A 220-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 26.6° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.863, and the log has an

asked by S on October 1, 2014
26. ## physics

A cart loaded with bricks has a total mass of 13.5 kg and is pulled at constant speed by a rope.The rope is inclined at 27.9 degrees above the horizontal and the cart moves 13mts on a horizontal floor.The co efficient of kinetic friction between ground and

asked by Saumya on October 13, 2011
27. ## Physics

A cart loaded with bricks has a total mass of 28.5 kg and is pulled at constant speed by a rope. The rope is inclined at 28.1 ◦ above the horizontal and the cart moves 13.9 m on a horizontal floor. The coefficient of kinetic friction between ground and

asked by Shakib on November 10, 2010
28. ## physics

A cart loaded with bricks has a total mass of 18 kg and is pulled at constant speed by a rope. The rope is inclined at 30.4  above the horizontal and the cart moves 21.5 m on a horizontal floor. The coefficient of kinetic friction between ground and cart

asked by phys1! on October 15, 2011
29. ## physics

A cart loaded with bricks has a total mass of 27.7 kg and is pulled at constant speed by a rope. The rope is inclined at 23.7 ◦ above the horizontal and the cart moves 23.1 m on a horizontal ﬂoor. The coeﬃcient of kinetic friction between ground and

asked by edgar on October 10, 2011
30. ## AP Physics

Hi, I have the follwoing physics question to ask, Plesae help with hints. "Two people are standing on a 2.5-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 5.9-kg ball

asked by Indi on November 4, 2009
31. ## algebra

Charlene made the sketch below in order to find the height x of a pole. She positioned a mirror on the ground so that she could see the reflection of the top of the pole. Her height, her distance from the mirror, and her line of sight to the mirror

asked by Anonymous on April 20, 2013
32. ## Math

Charlene made the sketch below in order to find the height x of a pole. She positioned a mirror on the ground so that she could see the reflection of the top of the pole. Her height, her distance from the mirror, and her line of sight to the mirror

asked by Anonymous on February 15, 2013
33. ## Trigonometry

A cable that can withstand 2,250 pounds is used to pull cargo up an inclined ramp. If the inclination of the ramp is 21.5°, what is the heaviest piece of cargo that can be pulled up the ramp, ignoring friction? A. 825 pounds B. 2,090 pounds C. 6,140

asked by Anonymous on August 1, 2012
34. ## Math

Aubrey's rope is 3 meters long.If she cuts it into 2 equal pieces,how long will each piece be in centimeters? A.300 B.150 C.100 D.50 C? Mr.Wand sells mangos for \$1.50 each or \$15 per dozen.His prices include tax.What is the greatest number of mangos that

asked by running.from.myself on March 22, 2012
35. ## URGENT MATH!!

Q1: Robert can paint a room in 12 hours. Dennis and Vince can paint the room in 10 hours & 9 hours respectively. If Dennis and Vince work together for 2 hours, How long will it take Robert to finish the job? I think it's 12 (because it says it, but I think

asked by Victoria on July 21, 2015
36. ## writing

Why do non-users of performance-enhancing drugs work harder and have more dedication? Personally I think this question is biased. Just because someone uses performance enhancing drugs doens't mean they haven't worked just as hard if not harder than someone

asked by Sassie on September 4, 2006
37. ## social studies

this is about the early civilizations of egypt, nubia,sumaria, assyria, persia, israel, indus valley,aryans, china. the question is: in which ways did cultures or civilizations come in contact and, as a result, aspects of one culture were adopted by

asked by natalya on October 24, 2006
38. ## Spanish

Los mandatos en contexto. Escoge el mandato apropiado. Pon atención al contexto para determinar si es un mandato formal o informal. Question 11 of 25 Sé que Ud. tiene hambre pero, ¡no _______________! lo coma Question 12 of 25 ________________, por

asked by Robert Turner on May 27, 2018
39. ## Math

I need a step by step solution to this problem. I'm preparing for the GKT and I can't remember how to solve these problems. This is just a sample question from the gkt practice packet. A building 51 feet tall casts a shadow 48 feet long. Simultaneously, a

asked by Amanda on August 19, 2015
40. ## Physics

A ball whirls around in a vertical circle at the end of a string. The other end of the string is fixed at the center of the circle. Assume that the total energy of the ball-Earth system remains constant. (a) What is the tension in the string at the bottom?

asked by matt on October 21, 2013
41. ## physics

A ball whirls around in a vertical circle at the end of a string. The other end of the string is fixed at the center of the circle. Assume that the total energy of the ball-Earth system remains constant. (a) What is the tension in the string at the bottom?

42. ## Math

You timed yourself typing a book report. It took you 28.8 minutes and the report was 4.5 pages long. Hoh long would it take you type one page? a. Write an expression to find the amount of time it will take to type one pate. b. Tvaluate the expression. How

asked by Justin on January 25, 2007
43. ## economics

i have some questions please help Transportation equipment that was purchased in 2004 for \$200,000 must be replaced at the end of 2009. what is the estimated cost of the replacement, based on, the following equipment cost index: Year INDEX YEAR INDEX 2004

asked by William on June 3, 2010
44. ## MATH

A LINE IS 45/64 INCH LONG.FIND THE LENGTH OF A LINE 4/5 AS LONG.

asked by Johnny Lee on September 16, 2010
45. ## math

A worm is 130 millimeters long. How many centimeters long is the worm?

asked by Sereniti on April 11, 2016
46. ## math

A Line segment that is 2 4/8 inches long, how many quarter-inches long is it?

asked by elias on February 10, 2010
47. ## Math

If a boat was 36' long and i built a model of it 18" long what scale would the model be

asked by Henry on February 23, 2017
48. ## math

A piece of ribbon is 3/5m long. If it is cut in to 4 piecs, how long is each piece?

asked by Tammy on January 6, 2013
49. ## MATH

Suzanna needs a board that is at 3.5 meters long. is the board long enough Explain

asked by JJ on December 14, 2014
50. ## math

i got 12 feet long board and i cut 42 inches how long is the board now

asked by sein on October 25, 2016
51. ## pythagrean theorem

A rectangle is 6m. wide and 11m long. How long is the diagonal of the rectangle?

asked by Destiny G. on January 27, 2011
52. ## math

How many pieces of ribbon 1 4/5 yd long can be cut a length of ribbon 9 yd long?

asked by maria on April 25, 2011
53. ## math

a segment that is half of an inch long is how many sixteenths of an inch long?

asked by saigelyn on March 9, 2017
54. ## mathematics 1

A line is 45/64 inch long. Find the length of a line 4/5 as long?

asked by Anonymous on October 1, 2007
55. ## 6th grade line segment

How to you do a problem like this? A segment that is 1/2 of an inch long is how many sixteenths of an inch long? Thanks

asked by Lynn on October 10, 2010
56. ## Math

You borrow bookcases like the one shown to display 943 books at a book sale. You plan to put 22 books on each shelf. No books on top of the bookcases. A. How many bookcases must you borrow to display all the books? I got 8 book cases so far. B you fill the

asked by Zero on September 9, 2014
57. ## rMath

This is a two part question, make sure you answer both parts: Flo Tilla is pedal boating on Lake Azui. She starts back toward the dock, which is 1000 yards away. She goes at a rate of 25 yards a minute toward the dock. How far is Flo from the dock after 5

asked by Samay on October 22, 2017
58. ## As Physics

Motion and Projectiles Homework-Due tommorow Extended Writing Task: Freefall Two identical steel balls are released from rest above cylinders containing oil as shown in the diagram below.The balls travel vertically until they reach the bottom of the

asked by Kaine on November 5, 2017
59. ## math

A 120-foot long rope is cut into 3 pieces. the first rope is twice as long as the second piece of rope. the third piece of rope is three times aS LONG AS THE SECOND PIECE OF ROPE. WHAT IS THE LENGTH OF THE LONGEST PIECE OF ROPE? a 20 feet b 40 feet c 60

asked by eva on April 8, 2010
60. ## Math

A building 24 m tall is viewed from the top and bottom of a vertical ladder.The building forms an angle of 45 degrees with the top of the ladder and an angle of 60 degrees with the bottom of the ladder.Find (i) the height of the vertical ladder (ii) the

asked by Anonymous on July 15, 2009
61. ## statistics in psychology

An analysis of the combined SAT scores (Verbal + Math) of a sample of psychology majors at one school indicated that the mean was 939 and the standard deviation was 166. Show your calculations used the answer the following two questions. a. A special

asked by freddy on May 12, 2011
62. ## physics

A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 19.0° above the horizontal. The semi-trailer coasts to a stop after traveling 170 m along the

asked by Anonymous on April 15, 2013
63. ## physics

A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 13.0° above the horizontal. The semi-trailer coasts to a stop after traveling 190 m along the

asked by justin on July 8, 2013
64. ## general physics

A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 13.0° above the horizontal. The semi-trailer coasts to a stop after traveling 190 m along the

asked by ODU on July 22, 2013
65. ## physics

A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp that is inclined at an angle of 17.0° above the horizontal. The semi-trailer coasts to a stop after traveling 110 m along the

asked by susan on October 18, 2012
66. ## Physics

Let's model an airplane propeller as 4, 0.25 m long thin rods of mass 0.040 kg. Calculate the moment of inertia of the propeller assuming they each rotate about an axis at the end. Hint: Treat the blades as long uniform rods.

asked by BBell on July 17, 2018

I need help in the setup teacher wants a guess and check table for the word problem. Just the set up I need help on . Please a wood board 156 cm long is cut into three pieces.the two longer pieces are the same length and are 15 cm longer than the shortest

asked by Jessica on November 17, 2016
68. ## chemistry

A silicon ribbon measuring 100 micron thick, 5 mm wide, and 1 m long has 5 volts applied across its long dimension. The resistivity of silicon is 640 ohm-m. How much current will flow through the ribbon? Express your answer in Amps

asked by Muanda on July 26, 2014
69. ## HR

To increase the readability of training materials, one should A. combine two or more paragraphs into one long paragraph. B. combine two or more sentences into one long sentence C. replace concrete words with abstract words. D. add checklists and

asked by Blue on June 24, 2018
70. ## physics

A crate sits on wooden horizontal surface (a wooden floor). The figure shows a top view of this looking down onto the crate (gravity would be acting into the page). Man one and man two apply forces F1 and F2, at angles of θ1 and θ2 respectively, with the

asked by emily on June 4, 2015
71. ## Economics

If Mark sells cattle to a meat packing plant, Mark is part of the ____________market. The plant is a ___________. This question will have two correct answers. resource, monopsony buyer resource, household resource, firm product, firm resource, part of the

asked by Vik on January 13, 2016
72. ## Chemistry

What is the empirical formula of benzene, C6H6? I know how to find empirical formula; as long as you know the moles, you can find the ratio and thus the empirical formula. But the question provides nothing and I can only find the Mr? The answer from the

asked by Winnie on May 3, 2016
73. ## trigonometry

a 60 meter high building is erected vertically on a hillside. An electric post stands vertically on the hill. An observer at the top the building, find the angle of depressions of the top and the bottom of the electric post to be 30 degrees and 42 degrees

asked by jack on June 5, 2017
74. ## Algebra

A stunt man drops from the top of a 50 foot elevator shaft. His height above ground is determined by the equation h=-16(t)(t)+50. At the moment the stunt man begins to drop, an elevator goes up so that its height above ground is determined by the equation

asked by Jacqueline on March 18, 2015
75. ## Algebra

A stunt man drops from the top of a 50 foot elevator shaft. His height above ground is determined by the equation h=-16(t)(t)+50. At the moment the stunt man begins to drop, an elevator goes up so that its height above ground is determined by the equation

asked by Jacqueline on March 19, 2015
76. ## environ. need info. please

provide a brief summary differentiating conservation and preservation. Do you believe that humans can harvest forest resources in an environmentally friendly way? Or, should national forests be left in their natural state in which resources are not used to

asked by rose on June 21, 2008
77. ## Chemistry

I am really struggling with this equation question...can someone please help me??? Use the following equation to answer the question... 4Fe(s)+3O2(g)---> 2Fe2O3(g) Heat = -1700kJ How many grams of rust form when 453kJ of energy is released?

asked by Jessie on September 1, 2009
78. ## Chemistry

to make a sodium chloride solution of the same molarity as household bleach (as determined in question 1) how many grams of salt would be needed for every 100 ml of solution question 1 answer: 0.871 M

asked by Lola on February 8, 2016
79. ## Math

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78 Is it B?

asked by Student on March 4, 2012
80. ## Math

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78

asked by Anonymous on March 4, 2012
81. ## Question ! :)

Why is it important to use caution before putting any personal information on a computer? (example(s) required) I think everyone knows the general idea to the answer to this question but this is my final exam question...so it has to be thorough. Any

asked by Kate on May 19, 2009
82. ## Probability

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78

asked by Student on March 4, 2012
83. ## English

Ok I have got a silly question but I don't know how to do a work cited page. I know how to create one but my question is in my paper to I need to label my source/resource as a number or do I put the whole web address in the source?

asked by Brann on November 12, 2011
84. ## health and disease

I am doing a essay on alzheimers and know and was wondering if someone could help me find info on this question. I know there is things you can do to slow this disease but have also found that they think gentics is part of it also. So my question is..Is

asked by april on January 4, 2009
85. ## science

I need to answer an essay question for science and I wanted to make sure of something first. The essay question is- What characteristics do plants share? Can you tell me if all plant cells have chloroplasts? I do not think they do so that would not be

asked by Reed on January 16, 2012
86. ## U.S. Government

I'm struggling with answering this question and I would appreciate any help one could offer. I'm needing to answer the following question in paragraph form: Which one of these two philosophies do you think the Supreme Court should follow: judicial activism

asked by Susie on October 16, 2010
87. ## chemistry

I have to answer this question for chemistry. It deals with ionic compounds, like how when an atom loses or gains electrons, energy is involved. So the question is Would the same amount of energy that's taken, be given off? (lost/gained)

asked by lola on October 21, 2009
88. ## u.s History

Ummm..... I'm really bad at reading charts, especially when it comes to math. So what I need to understand is- What does the chart tell me about the reaction of colonial legislatures to Pitt's letters? (I'm going to send you the chart in my next posted

asked by Webbie on January 17, 2007
89. ## chemistry

Posted a question earlier but it was the wrong question. If anyone could help it would great if you could explain this would help also. Thanks ^ = subscript Calculate ke for(equlibrium concentration below problem 2CO^2(g) + heat 2CO(g) + O^2 [0.103]

asked by Shanta on January 5, 2010
90. ## math

Solve for x and y if 5^(x−y) = 625 and 3^(2x) × 3^y = 243. (note: I posted a similar question to this before, but this uses indices) (Also note: Answer is, x = 3, y = -1 ; 7, and the question if inputted into an online calculator, is incorrect.) Thnks

asked by Anonymous on November 24, 2017
91. ## follow up(for Count Iblis)

i have a follow up question for a previous post How do you know 2B is (20 "+" B) and not (2 "x" B) _______________________________________ to me this question does not make sense... it comes from a review packet for the SAT

asked by manny on September 1, 2007
92. ## science

A hydraulic jack is needed to raise an object with a force of 4000 N to a height of 3 metres above the ground. Will the jack do the job? (Answer after working through the rest of the question. I would really appreciate it if someone would please help me

asked by Cherie on April 9, 2013

Explain, physiologically, how you would decide to use ice or heat on an injury? My book doesn't have any good info on this question. Is there a reputable website or article to get info to answer this question?

asked by Student on January 25, 2014
94. ## Elmentary math

Can someone please help me explaim this question to one of my classmates she asked me this question and I don't know what to tell her. Thanks I am having a tough time grasping odds. I get it confused with probability. Can you explain it to me. Sometimes

asked by Emory on July 29, 2009
95. ## Chemistry

I need help on this question. Identify the mistakes in the following balanced equations. Rewrite the equation to make it correct. Each question has one mistake to correct. a) C9H20+12O2 -> 9CO2 + 10H2O b) H2+Cl -> 2HCl

asked by Josh on March 13, 2016
96. ## geometry

i need help on a question that involves finding the "value of the variable" ive started the question but im stuck of how to continue .its a right triangle which hypotenus length is cut by a altitude line "w+9" .the lengths cut are 8 and 18 .

asked by julia on February 12, 2015
97. ## English

I have two more questions on the same theme. Thank you. 1)Pay attention to (not at) your teachers' explanations. 2)You must put up your hand, if you want to ask a question to your teacher/your teacher a question . Are they both possible? 3) You mustn's

asked by Mike on April 3, 2011
98. ## Chemistry

The question says Sufuric acid reacts with Aluminum hydroxide by double replacement. I have the reactant side I just need the product side because I need to know does aluminium replace Hyrdrogen, really confused see Ms J question above

asked by Beautiful on February 25, 2007
99. ## Computer

Why is it important to use caution before putting any personal information on a computer? (example(s) required) I think everyone knows the general idea to the answer to this question but this is my final exam question...so it has to be thorough. Any

asked by Helen on May 19, 2009
100. ## Biology

In the question section of my chapter "Strategies for Enhancement of Food Production" i got d question "What is Quarantine? Give one example of it." I found the what is the quarantine part but didn't get examples... Not even in my book. Plz help !

asked by R on February 8, 2016