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September 16, 2014

Homework Help: Health: Physical Fitness

Recent Homework Questions About Physical Fitness

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Physical Science
can I get some help with these questions. im not sure on these ones During the stage of internal combustion engine operation in which the piston rises and compresses the fuel in the combustion chamber, a. both the intake and exhaust valves are open b. the intake valve is open ...
Sunday, February 16, 2014 at 11:00pm

physical science
the diameter of the planet saturn is 10 times that of the earth but the mass of the planet is only 90 times greater than that of the earth.what is the gravitational acceleration or number gs you will feel on saturn?(8.8m.s-2)
Sunday, February 16, 2014 at 12:27pm

physical science
calculate the weight of a man with a mass of 80.0kg on the surface of the moon 156N?
Sunday, February 16, 2014 at 12:18pm

Physical science
A box a weight of 100 N rests on a horizontal floor.The coefficient of static friction is 0,40 and the coefficient of kinetic friction is 0,30.DETERMISE THE FRICTIONAL FORCE ACTING ON THE BOX IF A HORIZONTAL FORCE IS APPLIED WITH A MAGNITUDE OF 0 N
Sunday, February 16, 2014 at 10:53am

physical
for a gaussin surface through which the net flux is zero the following 4 statements could be true which of the statements must be true a)tere are no charges inside the surface b)the net charge inside the surface is 0 c)the electric field is 0 everywhere on the surface d)the ...
Sunday, February 16, 2014 at 9:26am

physical
a 50 kg object moving at 12 m/s has a momentum of 600 kg times g m/s . what is the mass of an object moving at 4 m/s that has the same momentum?
Saturday, February 15, 2014 at 5:10pm

physical
what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8 kg toy car that is traveling the opposite direction of -2 m/s
Saturday, February 15, 2014 at 5:06pm

physical science
A frog jumps at the angle of 60 degrees to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog
Saturday, February 15, 2014 at 9:56am

physical science
A frog jumps at the angle of 60% to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog
Saturday, February 15, 2014 at 9:56am

physical sciences
a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?
Saturday, February 15, 2014 at 4:44am

English Speech Paper (can some1 revise it)PLZ&TY
Gun Control I do not understand why people believe gun control actually works or why we need it. Guns, like other weapons, though more deadly and possibly more convenient to use, are still inanimate objects and are not the cause of violence or killings. Gun control is not ...
Friday, February 14, 2014 at 5:10pm

geography
1-20 can you please check my answers marked with *** which of the following were the main proponents of NAFTA? a. labor unions b. human rights groups c. environmentalists ***d. large corporations in the 1950s 40 percent of the u.s workforce was engaged in manufacturing by the ...
Friday, February 14, 2014 at 4:25pm

Ethics
1. Those things that we hold to be worthwhile and worth pursuing, such as freedom, happiness, and health, can be thought of as: A. virtues. B. values. C. vices. D. obligations. is it B 2. Which of the following would NOT be an example of a moral value? A. Happiness B. ...
Friday, February 14, 2014 at 2:25pm

Physical Science Need Help Quick PLEASE:)
A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A. The force of the mallet on the ball is equal in magnitude and opposite in ...
Friday, February 14, 2014 at 12:17pm

Physical Science
An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?
Friday, February 14, 2014 at 11:35am

physical science
19. (2 points) Ball 2, with a mass of 30kg, is moving to the left at 10m/s. With what velocity should Ball 1, with a mass of 10kg, move to the right and collide with Ball 2, so that Ball 1 rebounds with a velocity of 30m/s, and Ball 2 with a velocity of 10 m/s, after the ...
Thursday, February 13, 2014 at 8:33pm

Physical Science
An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?
Thursday, February 13, 2014 at 12:10pm

Physical Education
I have to da a 10 page paper on Integration of health and physical education in curriculum. I need help finding 10 journal articles that are peer-reviewed, current trends and political background. Help please???
Wednesday, February 12, 2014 at 11:12pm

Chemistry
Explain how a person bailing out a row boat with a leak could represent a state of physical equilibrium.
Wednesday, February 12, 2014 at 9:06pm

physics
1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both ...
Wednesday, February 12, 2014 at 6:11am

physical science
what is the velocity of ironman if he travels up 2,000 meters in 8.6 seconds
Tuesday, February 11, 2014 at 2:57pm

physical science
Two force vector,a and b act on an object in the x direction and b acts on a y direction. Use words and diagram to explain how you can find the resultant force acting on the object by using the tail-to-head method
Tuesday, February 11, 2014 at 1:25pm

Physical Chemistry
If 20.0mL of 0.122M NaOH are required to reach the first equivalent point of a solution of citric acid(tripotic acid H3C6H5O7).How many mL of NaOH in total are required to reach the second equivalence point?
Monday, February 10, 2014 at 4:07am

physics
passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the passenger Both observers ...
Sunday, February 9, 2014 at 7:09pm

physical science
A horizontal force of 100 N is required to push a box across the floor at a constant velocity. a) Show that the net force acting on the box is zero. b) Show that the friction force that acts on the box is 100 N.
Sunday, February 9, 2014 at 5:21pm

physical science
Consider a 100-kg box of tools in location: A: on Earth B: on the Moon C: on Jupiter. Rank from greatest to the least the a) masses of the 100 kg box of tools and b) the weights of the 100-kg box of tools.
Sunday, February 9, 2014 at 5:20pm

physical science
If you know that a 1-kg object weighs 10N, confirm that the acceleration of a 1-kg stone in free fall is 10 m/s2.
Sunday, February 9, 2014 at 5:16pm

physical science
what do you think about the kind of charge on the plastic straw
Friday, February 7, 2014 at 12:17pm

Research Project: Anatomy & Physiology 1
Could someone read this paper and tells me if this is good or do I need to change some stuff: Introduction: ALS is distinguish by insistent collapse of both upper motor neurons (UMN) and lower motor neurons (LMN) leading to progressive muscular paralysis and death usually ...
Friday, February 7, 2014 at 10:29am

heailth
How can communities and government help promote physical activity initiatives? A. Create walking trails B. Eliminate sidewalks C. Lower taxes D. Raise taxes
Friday, February 7, 2014 at 2:25am

chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...
Wednesday, February 5, 2014 at 12:15am

chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...
Wednesday, February 5, 2014 at 12:15am

chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...
Wednesday, February 5, 2014 at 12:15am

chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...
Wednesday, February 5, 2014 at 12:15am

chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...
Wednesday, February 5, 2014 at 12:15am

Chemistry
I did a lab the other day where we separated a mixture of NaCl, SiO2, and CaCO3. The Mixture was made by my professor and we did not know the original amounts of each compound. After recovering all of the compounds we found that there was.. 36.4% NaCl 36.4% SiO2 40.9% CaCO3 ...
Tuesday, February 4, 2014 at 8:39pm

physical science
Explain using newtons first law why traveling car using a rope is dangerous compared using a steel car
Monday, February 3, 2014 at 11:00pm

Physical
A 0.140-kg baseball traveling 38.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0cm .What was the average force applied by the ball on the glove?
Monday, February 3, 2014 at 9:55pm

chemistry
What physical properties of calcium chloride, citric acid, sodium iodide, potassium iodide, and sucrose have in common?
Monday, February 3, 2014 at 8:41pm

Physical sciences
Two girls drag a bag across the floor one girl exerted a force of 10N and the other girl a force of 30N in the same direction:CALCULATE THE RESULTANT FORCE ON A BAG
Monday, February 3, 2014 at 2:41pm

Physical sciences(Mechanics)
A tractor pulls a tree trunk across a horizontal piece of ground.If the force in the chain is 3000N and the chain forms an agle of 30 degrees with the ground,calculate:The forces with which the tree is pulled across the ground.
Monday, February 3, 2014 at 1:11pm

Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the following: (a) the range, (b) the variance, ...
Sunday, February 2, 2014 at 10:31pm

Physical Science
Explain the energy conversions that occur as a basketball falls, hits the ground, and bounces back up. Ignore frictional forces.
Sunday, February 2, 2014 at 6:02pm

Statistics
As part of studying the relationship between mental and physical health, you obtain the following heart rates: 73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78
Sunday, February 2, 2014 at 3:02pm

physical science
a weigh lifter raises a 70-kg barbell from the floor to a height of 2.2 m in 1.2s what was his average power output during the lift?
Saturday, February 1, 2014 at 5:54pm

reading
why is the book "the stranger" by albert camus considered a classic? is it morality, effective language, truthfulness, universality, timelessness here a bit about this: Meursault learns of his mother's death. At her funeral, he expresses none of the expected ...
Saturday, February 1, 2014 at 3:23pm

English
I am writing a paper for my research class and I am not sure I am using the right word in the sentence below. (This can include mental, physical, and emotional abuse that any member of a family conflicts on to another member of the family.) I am not sure that “conflicts&#...
Thursday, January 30, 2014 at 3:37pm

physical science
A rock thrown straight up climbs for 4.24 s, then falls to the ground. Neglecting air resistance, with what velocity did the rock strike the ground?
Thursday, January 30, 2014 at 2:12pm

science --- check my answers!
help pls asap!!!!! check my answers!!! 4.) A certain object has a volume of 25.0 mL and a mass of 100g. What is the density of the object? a)0.250 g/mL b) 4.00/mL*** c)125 g/mL d) 2500 g/mL 5.)Which of the following is a chemical property of aluminum? a)The melting point of ...
Thursday, January 30, 2014 at 1:22pm

Physical Education - Check my answer please
Excess body fat may cause... Answer choices: 1. diabetes, lack of stored energy, stroke, and heart disease. 2. lack of organ protection, osteoarthritis, and hyper tension. 3. sleep apnea, lack of organ protection, and liver disease. 4. stroke, infertility, sleep apnea, and ...
Thursday, January 30, 2014 at 12:17pm

Physics
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating along the spring is a ...
Wednesday, January 29, 2014 at 11:24pm

physical science
How much time is needed for a car to accelerate from 8.0 m/s to speed of 22 m/s if the acceleration is 3.0 m/s^2?
Wednesday, January 29, 2014 at 8:54pm

Physical Science
How does the potential energy of an object change when its height is tripled?
Wednesday, January 29, 2014 at 6:20pm

Physics
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating along the spring is a ...
Wednesday, January 29, 2014 at 3:50pm

Science
1. Which of the following is true about mixtures? (1 point) Mixtures consist of two or more substances chemically combined. Mixtures cannot be separated by physical means. Mixtures consist of only one kind of atom. ***Mixtures have two or more substances mixed together, but ...
Wednesday, January 29, 2014 at 11:18am

Science ~ Structures and Properties of Matter
1) Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by physical means. C. both ...
Tuesday, January 28, 2014 at 4:12pm

science ~CHECK MY WORK PLEASE~
1) Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by physical means. C. both ...
Tuesday, January 28, 2014 at 3:41pm

Science ~CHECK MY WORK PLEASE~
Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical means. C.) both ...
Tuesday, January 28, 2014 at 3:21pm

Physical Science
A machine you designed has an efficiency of 60%. What happens to 60% of the work put into the machine, and what happens to the other 40%?
Tuesday, January 28, 2014 at 2:55pm

Physical science
State the mathematical relationship between the net force acting on an object and the time taken to change the objects momentum
Tuesday, January 28, 2014 at 12:55pm

Science
Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small and can contain small rocks. It also has thick, muscular walls. Based on this physical description, which of the following is most likely to be the ...
Tuesday, January 28, 2014 at 12:41am

Ms.Sue is this better?
In the article The String Theory, by David Foster Wallace, there were three writing techniques that I noticed Wallace used. First, I think Wallace was informative and explanatory. He explained why there are some professional tennis players who are unknown and obscure to the ...
Monday, January 27, 2014 at 5:48pm

Analysis proofreading
Hi for my analysis on The String Theory by David Wallace Foster I had to discuss 3 writing techniques the author used and give an example. Can I please get it proofread? After reading the article The String Theory, by David Foster Wallace, there were three writing techniques ...
Monday, January 27, 2014 at 4:23pm

Chemistry
Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the product species, ...
Monday, January 27, 2014 at 4:09pm

Physical Science
A 50.0-kg wolf is running at 10.0 m/sec. What is the wolf's kinetic energy? A) 5 J B) 500 J C) 5000 J D) 250 J E) 2500 J
Monday, January 27, 2014 at 4:07pm

physical
Finding the resultant in th x direction ,Rx and y for the following forces f1 =1,5N in the positive x direction
Monday, January 27, 2014 at 8:40am

physical acience
Compute the density in g/cm3 of a piece of metal that has a mass of 0.360 kg and a volume of 74 cm3.
Sunday, January 26, 2014 at 11:04am

physical sciences
what are the maximum and minimum resultants of the two forces?
Saturday, January 25, 2014 at 7:51am

Physical Science 9
What is the chemical equation for the rusting of iron carbide. I tried it myself,but I ended up with iron hydroxide rather than iron oxide. Help, Please, and thank you.
Friday, January 24, 2014 at 8:35am

Physical Education
Please for the list of organisations responsible for physical education. Also advantages and disadvantages of spectators.
Thursday, January 23, 2014 at 6:39pm

Physical Education
Please for five disadvantages and advantages of spectators and a list of organization responsible for physical education. Thank you
Thursday, January 23, 2014 at 4:57pm

physical sciences
two forces of 5N and 7N respectively act on an object. When will the resultant of the two vectors be at the maximum?
Thursday, January 23, 2014 at 11:26am

physical science
when will the resultant of the two(5N ,7N)vectors be at maximum?
Thursday, January 23, 2014 at 4:09am

Pre-Calc
A page that is x inches wide and y inches high contains 30 square inches of print. The top and bottom margins are 2 inches deep, and the margins on each side are 2 inches wide. a. draw a diagram that gives a visul representation of the problem. b. show that the total area A on...
Wednesday, January 22, 2014 at 8:10pm

Phys/Ed
1. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. (1 point) balance coordination power speed 2. At the paintball field, Wynonna is always the first one on her team to be hit with the paintball and put out ...
Wednesday, January 22, 2014 at 4:57pm

Physical Science
1) Carbon dioxide is obtain from the air and changed into carbohydrates oxygen during the process of fossilization. respiration. digestion. photosynthesis. 2) Which sequence of processes must occur for an atom of carbon to go from car to tree? respiration, decomposition. ...
Wednesday, January 22, 2014 at 10:50am

Physical Geography
Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and the SAR is 3.3 F...
Monday, January 20, 2014 at 5:29pm

maths, physical science , life science , geography
Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects
Sunday, January 19, 2014 at 12:45pm

English
Circle the main idea and underline the controlling idea in each of the following topic sentences. 1. Exercising three times a week is the only way to maintain good physical health. 2. Sexism and racism are still rampant in today’s workplace. 3. Raising the legal driving ...
Saturday, January 18, 2014 at 3:24pm

English
Have you ever wanted to give up on something before you even started? That’s how Raja felt as he squinted up at the looming mountain crowned in clouds. Then he looked back at the group of boys behind him. “Are you all ready?” one of their leaders, Max’s dad...
Friday, January 17, 2014 at 5:36pm

Phy. Ed
I have to do two physical activities. The second activity should be one that would improve my performance in the first one. Does anyone have any ideas of activities I can do at home?
Thursday, January 16, 2014 at 3:24pm

physical sciences
Two forces of 5n and 7N respectively act on an object. (A)when will the resultant of the two vectors be at a maximum? (B)when will the resultant of the two vectors be at a minimum? (C)when are the maximum and minimum resultantof the two forces?
Thursday, January 16, 2014 at 2:37pm

physical sciences
Two forces of 5N and 7N respectively act on an object. (A)when will the resultant of the two vectors be at a maximum? (B)when will the resultant of the two vectors be at a minimum? (C)what are the maximum and minimum resultant of the two forces?
Thursday, January 16, 2014 at 2:22pm

science help asap!!!
Hi, can someone check my answers asap!!? i am on a deadline!! 1. What doe the notation TT mean to geneticists? (1 point) two dominant alleles heterozygous alleles at least one dominant allele one dominant and one recessive allele 2. An organisms genotype is (1 point) its ...
Thursday, January 16, 2014 at 1:12pm

Chemistry
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. O2M(s) ----> M(s) +O2(g) delta G= 290.5 Kj/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the chemical ...
Tuesday, January 14, 2014 at 10:25pm

Physical Science HELP
Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE? 3...
Tuesday, January 14, 2014 at 6:04pm

Physical Science
Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE? 3...
Tuesday, January 14, 2014 at 5:41pm

Literature Essay (Writeacher and/or Ms.Sue)
What are your opinions? Have I written according to the topic I was give? "Write an essay explaining in what ways people today are more fearful than people in past generations. You may use examples from real life, the selection you just read, books, movies, or television ...
Sunday, January 12, 2014 at 9:25pm

Science Please check my answer!
Which physical properties are characteristic of nonmetal solids? Choose all that apply. A) brittle B) little luster C) malleable D) ductile E) good conductors of heat A row of elements on the periodic table is called a(n) A) group. B) period. C) valence. D) orbital. My answers...
Sunday, January 12, 2014 at 3:44pm

integrated physics and chem
Element A and element B have bonded and formed compound AB. Which of the following statements is true? A. Compound AB has chemical and physical properties that are completely different from those of A and B. B. Compound AB has chemical and physical properties that are a blend ...
Friday, January 10, 2014 at 12:31pm

physical science
A car travels through a school zone at a speed of 36 m/s was the 45 mi/h speed limit exceeded? yes or no
Thursday, January 9, 2014 at 8:07pm

physical education
A marathoner is trying to improve her skill at pacing herself during her races. Select the best technology tool available to help provide feedback to the runner so that she doesn't burnout too fast at the beginning of this grueling competition A.pedometer B.spreadsheet ...
Thursday, January 9, 2014 at 4:14pm

physical education
Your training partner has stopped pedaling during the spinning class you are both taking. She wants to check her exercise intensity level. You have a piece of exercise technology for this job and can continue to pedal while keeping tabs on your workout progress. Select the ...
Thursday, January 9, 2014 at 4:03pm

physical education
Tomas struggled to bend over and tie his shoes the other day. He also noticed that the waist band was a lot tighter on his favorite pair of jeans. Tomas may be experiencing an inadequate level of which health-related fitness area? A.body mass index B.power C.muscular strength ...
Thursday, January 9, 2014 at 3:50pm

Cultural Diversity
Hello could you please check my answers thanks. I don't have my book. People who unite to form a microculture around a physical condition (such as the deaf community) might reject the term "disabled" in reference themselves because they a. think of their ...
Tuesday, January 7, 2014 at 8:16pm

physical Science
Calculate the momentum of a 200kg object moving 1m/s and a 1-kg object moving 200m/s?
Tuesday, January 7, 2014 at 5:40pm

Physical science
It takes 300 N of force and a distance of 20 m for a moving cart to come to a stop. How much kinetic energy did this cartpath?
Sunday, January 5, 2014 at 11:11pm

health
the key to using a pedometer to meet the physical activity guidlines for americans is to?
Saturday, January 4, 2014 at 3:22pm

Health (Ms. Sue)--Is my answer correct?
Compare the ways that HIV can and cannot be transmitted. A: 6. HIV can be spread in many ways that involves physical contact that can result in the virus being led into a person’s body. Such ways include sexual activity with an infected person, sharing needles, syringes, ...
Friday, January 3, 2014 at 11:17pm

Need help World Geograpy
3. Among the northern Andean countries strongly involved in the illegal coca and drug trade, __________ is now the predominant coca producer. A. Colombia B. Bolivia C. Peru D. Ecuador Student Answer: C Answer: Incorrect Reference: 6. Which of the following statements about the...
Friday, January 3, 2014 at 1:05am

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