1. math

    Identify the rate, base, and amount in each rate 75% statement or question. Do not solve the base 150 exercise at this point. 150 is 75% of what number?

    asked by Veronica on September 3, 2008
  2. algrbra

    It is known that a>0 and b

    asked by Ashly on October 7, 2017
  3. math

    A Triangle has sides 4,8,and 11. In a similar triangle the shortest side is 8 and the longest side is x. a) Write a proportion that models the situation. b) Solve the proportion for x.

    asked by Felicia on March 27, 2013
  4. Math

    The circular area A in square centimetres of a healing wound is given by A(r)=πr^2 Where r =the radius in centimetres. Find the rate of change of the area with respect to the radius. My work: I'm not really sure if this is correct but I gave it a try.

    asked by Nicki on February 24, 2016
  5. Calculus (Continuity)

    If the following function is continuous, what is the value of a + b? f(x) = {3x^2 - 2x +1, if x < 0 a cos(x) + b, if 0

    asked by Mishaka on October 22, 2011
  6. Physics

    A football player kicks a ball of mass 1.534 kg across the field using a constant force of 13.4 N over a distance 30.0 m. How much work does the football player do? If the ball was initially stationary, what is its final speed?

    asked by Supansa on February 25, 2016
  7. ap physics

    A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of P, so that the net work done by it and the kinetic

    asked by Anonymous on October 19, 2010
  8. math

    Can someone please check my work? Question~ Find the point-slope form of the equation that goes through these two points. (1, 20) and (8, 4.5) My Answer~ Y= y2-y1/x2-x1 (4.5-20)/(8-1) = -15.5/7 Rewrite -15.5/7 as (-15.5)/7 Rewrite -15.5 as -31/2 = (-31/2)

    asked by Abby on January 13, 2016
  9. 9th grade science

    Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable.

    asked by bobbi on April 28, 2009
  10. dynamics

    Find the mass center of a cylinder with height L and a hemisphere glued to the top with radius R. L=2R. The cylinder is standing up on its bottom end with hemisphere on top. Im so lost on this and cant use the formula to work.

    asked by spencer on February 8, 2009
  11. Physics

    Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.079 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside? __________ J

    asked by Mary on September 3, 2007
  12. Calculus (Continuity)

    If the following function is continuous, what is the value of a + b? f(x) = {3x^2 - 2x +1, if x < 0 a cos(x) + b, if 0

    asked by Mishaka on October 22, 2011
  13. Math

    I need the answers and the work shown steb by step today pls^^ For each direct variation find the constant of variation.Then find the value of y when x= -5 1.y=2 whne x=7 2.y=-2 when x=2 3.y= 17 when x=-4 y varies directly with x. 1.if y=6 when x=2,find x

    asked by alex on October 6, 2009
  14. chemistry

    Two moles of an ideal gas initially at 27C and 1 atm pressure are compressed isothermally and reversibly till the final pressure of the gas is 10 atm. Calculate the work done. (R=8.314 JK-1mol-1)

    asked by anu on February 21, 2015
  15. Math

    Alex works 4 hours on tuesday,thursday ,and Friday.He earns $6.50 per hour.He is saving to buy a television that costs $525.How many weeks will Alex have to work to buy the television?

    asked by Jayla on May 21, 2012
  16. Physics

    Tigger jumps into the sandpit. As this 13 kg animal jumps up, his initial velocity is 6 m/s with an angle of 26 degrees. As Tigger lands into the sandpit, how much work is done by the sand to stop him? Answer in units of Joules

    asked by Rebecca on November 28, 2012
  17. Physics

    a 2 kg block slides down a frictionless incline from point A to point B. A force(magnitude P=3N) acts on the block between A and B, as shown. Points A and B are 2 m apart. If the kinetic energy of the block at A is 10 J, and the work done by gravity is

    asked by Robert on March 24, 2011
  18. geometry

    How are the radii of 2 two concentric circles related to the distance between them? I tried making an equation using their cirmcumferences but I was way off. All I did was subtract the inner circle's circumference from the outer circle's circumference and

    asked by Jessi on October 11, 2009
  19. Math

    Alex works 4 hours on tuesday,thursday ,and Friday.He earns $6.50 per hour.He is saving to buy a television that costs $525.How many weeks will Alex have to work to buy the television?

    asked by Jayla on May 21, 2012
  20. physics

    A 2.38 × 103 kg car requires 5.4 kJ of work to move from rest to some final speed. During this time, the car moves 28.1 m. Neglecting friction, find a) the final speed. Answer in units of m/s.

    asked by Joe on November 2, 2010
  21. Math

    How do I express these in scientific notation AND Log10 form? 1) ln(8.1) 2) 32.8 x 10^-2 + 3.15 x 10^-1 3) 10^-2 x 10^4.5 4) 10^-45 5) 8^2.34 I will be happy to critique your work here. Most of these require conversion. Do the math, and let your calculator

    asked by Carl on January 21, 2007
  22. physics

    A 1.20*10^2 kg crate is being pushed across a horizontal floor by a force P that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.350. What should be the magnitude of P, so that the net work done by it and the kinetic

    asked by peter on October 19, 2010
  23. history

    what responsibility, (if any), does the government have toward the unemployed? - should the government support people until they find work? - should it provide public jobs when other jobs are unavailable? give reasons to support your views please help me

    asked by history on April 27, 2009
  24. PHYSICS

    15.0 moles of an ideal gas, at an initial pressure of 3.50 x105 N/m2 and an initial volume of 1.200 m3, undergo a small isothermal expansion to a volume of 1.220 m3. Find the work done by the gas.

    asked by Emma on November 14, 2012
  25. Math Statistics

    Czarina is working part time at a pastry shop baking cupcakes. If she works for 30 hours in one week on the average, how many hours a day does she work if she works 5 days a week?

    asked by Amelia on October 19, 2012
  26. physics

    A 2.31 × 103 kg car requires 4.2 kJ of work to move from rest to some final speed. During this time, the car moves 26.0 m. Neglecting friction, find a) the final speed. Answer in units of m/s

    asked by billybob on November 18, 2014
  27. Math

    Lin earns $12 an hour. She wants to buy a new MP3 player. She is considering models that cost at least $84. Writ an inequality that describes how many hours Lin needs to work to be able to buy the player. Explain the answer.

    asked by Damarcus on April 16, 2015
  28. physics

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can

    asked by Stella on March 2, 2008
  29. PHYSICS

    Three moles of an ideal gas are compressed from 5.5*10^-2 to 2.5*10^-2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can

    asked by sTELLA on March 2, 2008
  30. cc

    A pump fills a pool at a rate of 20 cubic meters per hour. If each cubic meter of water is valued at $10, how many minutes will the pump need to work to transfer $300 worth of water?

    asked by Anonymous on March 28, 2018
  31. PreAP Physics

    A force of 600N is applied to a metal box to pull it 15 m across a floor. The roped used to pull the box is held at an angle of 46 degrees with the floor. How much work is done? My answer is w= 6251.93J

    asked by Mandy on November 23, 2011
  32. statistics

    The test scores of students in a class test have a mean of 65 and with a standard deviation of 8. What is the probable percentage of students scored more than 70? Please check work 70-65/8 = .625 = .2357 = 1.-.2357 = .7643 ANSWER 76% ????

    asked by Anonymous on February 10, 2014
  33. science

    A motorcyclist is trying to leap across a canyon by driving horizontally off a cliff (height= 60 m) at a speed of 25 m/s. The cycle strikes a cliff on the other side (height= 30 m) at a speed of 15 m/s. Find the work done by air resistance.

    asked by Daniela Belen on November 11, 2015
  34. Physics Friction

    A roller coaster with people on board has a total mass of 4500 kg and starts at a height of 22 meters with a speed of 2.0 m/s. 50 kJ of work is done by friction on the way to the bottom of the ride. What is the speed at the bottom of the ride?

    asked by mssailormouth on June 19, 2019
  35. Physics

    A 32.0kg crate is initially moving with a velocity that has magnitude 3.92m/s in a direction 37.0 ∘ west of north.How much work must be done on the crate to change its velocity to 5.50m/s in a direction 63.0 ∘ south of east?

    asked by Anonymous on May 2, 2014
  36. Math

    Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out on both problems thank you. Perform the indicated

    asked by John on August 7, 2011
  37. Physics

    A motorcyclist is trying to leap across a canyon by driving horizontally off a cliff (height= 60 m) at a speed of 25 m/s. The cycle strikes a cliff on the other side (height= 30 m) at a speed of 15 m/s. Find the work done by air resistance.

    asked by Daniela on November 11, 2015
  38. Math

    Kevin's wife picks him up after work every day at 5:30 pm. One day, he leaves at 4:58 pm, and starts walking home. She pick him up along the way , and when they get home, he notices that they saved four minutes. How long did Kevin walk? :)

    asked by Chris on October 1, 2007
  39. PHYSICS

    SUPPOSE THAT THE ELECTRIC POTENTIAL OUTSIDE A LIVING CELL IS HIGHER THAN THAT INSIDE THE THE CELL BY .068 V. HOW MUCH WORK IS DONE BY THE ELECTRIC FORCE WHEN A SODIUM ION (CHARGE = e+) MOVES FROM THE OUTSIDE TO THE INSIDE? ANSWER = ? J

    asked by Al on October 9, 2007
  40. Physics

    A typical candy bar contains 300 kilo-calories of energy. if all the energy released by eating the candy bar could be used to do work in lifting a 1000 kg car, how high could it be lifted?

    asked by Thomas on November 10, 2016
  41. Khan

    A person lifts a 4.3 kg cement block a vertical distance of 1.3 m and then carries the block horizontally a distance of 5.3 m. The acceleration of gravity is 9.81 m/s 2 . a) Determine the work done by the person in the process. Answer in units of J

    asked by Hajib on November 15, 2011
  42. social stuides

    What was the purpose of Jim crow laws in south Carolina? a. To stop African Americans from voting ** b. To stop poor whites from voting c. To take land for African Americans d. To help African Americans gain jobs What was the purpose of the freedmen’s

    asked by UNKNOWN on March 22, 2016
  43. dressmaking

    A houndstooth(black and white plaid) jacket would work well with which of the following bodylines? A) Straight B)Soft-straight C)Soft-curved D)curved Im thinking it could be A or B.Need help for this question

    asked by Sarah on April 30, 2012
  44. Alegebra 2

    write an expression for the sum of your earnings for 3 weeks and your friends earnings for 2 weeks if you each work r hours per week and your friend received $15.00 in tips per week

    asked by Cullen on September 3, 2012
  45. physics

    How much work is needed to move a proton from a point with a potential of +470 V to a point where it is -51.0 V? Express your answer in joules. Express your answer in electron volts.

    asked by VJC on September 15, 2010
  46. Physics

    An ideal gas is squeezed slowly from state A (pressure-600 kPa, volume- 1 L) to B ( pressure-400kPa, volume- 0.5 L). What is the work done or received by the gas?

    asked by Chris on March 27, 2010
  47. math

    at the video store where you work the dvd cases are 5/8 of an inch wide. New shelf units are available that have 6 40-inch shelves. How many dvd should fit on a 6-shelf unit?

    asked by catherine on August 13, 2015
  48. Physics, spring force

    To compute work done by the spring force, calculate the area of a: a)rectangle b)circle c)triangle The spring force changes as a function distance, so triangle if on a F vs x plot

    asked by Anonymous on March 3, 2007
  49. genetics

    1) Mary has a widow's peak (either WW or Ww), but her sister has a smooth hairline (must be ww). Is either one of Mary's parents homozygous dominant or recessive? I think that that she has to have at least one of her two parents be homozygous something in

    asked by Evan on April 16, 2014
  50. Canterbury Tales

    I need to find an online version of the Canterbury Tales to read the Prologue. I tried three sites but they do not work or I don't understand them. Does anyone know any other websites to find the Canterbury Tales ?

    asked by Emily on September 17, 2007
  51. Physics

    A charge of +444 μC is fixed at the center of a square that is 0.47 m on a side. How much work is done by the electric force as a charge of +5.8 μC is moved from one corner of the square to any other empty corner?

    asked by John on February 24, 2015
  52. physical science

    15 joules of work are done by forces other than gravity in taking an object from a position 3 m above the ground to a position 8 m above the ground. what is the change in the gravitational potential energy of the object?

    asked by tristen on September 1, 2010
  53. Physics

    A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

    asked by Maja on October 17, 2011
  54. Physicsl Science

    A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. how much work does this heat pump ideally accomplish? Answer should be in KJ

    asked by Barbara on September 17, 2014
  55. Physics

    A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

    asked by Maja on October 17, 2011
  56. Physics

    A 70 kg block is pulled at a constant speed of 6.4 m/s across a horizontal floor by an applied force of 102 N directed 37° above the horizontal. What is the rate at which the force does work on the block?

    asked by Maja on October 17, 2011
  57. physics

    When catching a baseball, a catcher's glove moves by 12 cm along the line of motion of the ball. If the baseball exerts a force of 463 N on the glove, how much work is done by the ball?

    asked by mike on November 8, 2011
  58. Cultural Diversity

    I am trying to find 2010 Census results for Tucson; specifically population results. Every census.gov link that comes up does not work. Any ideas where I can find the information? Thank you!

    asked by Kelli on July 4, 2010
  59. Work

    A truck carrying a 57 kg crate accelerates uniformly from rest to 86.5 km/hr in 18.4 s. Calculate the work done on the crate by the truck (in J). I got 16454 J right. Now why is it positive? K-K = negative if Velocity from rest is 0.

    asked by Chris on April 10, 2016
  60. math

    Levi worked in his neighbor's yard for 7 hours trimming the trees. After trimming, he bagged up the trimmings in 38 minutes. How many minutes did he work in the yard altogether?

    asked by Sanaya on November 10, 2011
  61. culteral Diversity

    In the agrarian subsistance technology, which preceded the industrial technology revolution, work was a. Capital intensive b. Machine intensive c. Labor intensive d. Management intensive e. All the above

    asked by Andrea on December 19, 2009
  62. English

    Why do young people sometimes put themselves at risk? What are three things young people can do to reduce risks and avoid injury? What risk-reduction strategies would work well for you?

    asked by Growler on March 22, 2009
  63. math

    One third of the boys and one half of the girls participate in a social work. If the number of participating students is 300 out of which 100 are boys,what is the total number of students?

    asked by omaima on November 9, 2016
  64. Statistics

    Suppose that a sample of size 60 is drawn from a population with mean 73 and standard deviation 79. Find the value of , the standard deviation of the distribution of sample means. How do I work this on my calculator?

    asked by Anonymous on June 18, 2013
  65. physics

    A charge of +355 μC is fixed at the center of a square that is 0.64 m on a side. How much work is done by the electric force as a charge of +7.9 μC is moved from one corner of the square to any other empty corner?

    asked by Anonymous on February 16, 2015
  66. Science

    A parent's chance of passing a rare inherited disease on to a child is 0.15. What is the probability that, in a family of three children, none of the children inherits the disease from the parent? How does that work?

    asked by Rmz on January 9, 2010
  67. Science

    You go rock climbing with a pack that weighs 50N and you reach a height of 30m. How much work did you do to lift your pack? A. 80 joules B. 1500 joules C. 20 joules D. 1.67 joules

    asked by on March 30, 2016
  68. physics

    When catching a baseball, a catcher's glove moves by 11 cm along the line of motion of the ball. If the baseball exerts a force of 407 N on the glove, how much work is done by the ball?

    asked by ryan on March 18, 2012
  69. Algebra

    You are building a rectangular deck. The area of the deck should be 250 ft squared. You want the length of the deck to be 5 ft longer than twice its width. What should the dimensions of the deck be? My work: 250=2x(x+5) Is this correct so far?

    asked by Kate on May 22, 2013
  70. Factor

    How do I factor these: 2x2 - 16x + 30 4x^2-9 x^2-5x 5x^2-26x+5 25x^2+4 Example: 2x^2 - 16x + 30 = 2 (x^2 - 8 x + 15) 2(x - 5)(x - 3) The first, factor out a 2 first. Then factor . The second...difference of two squares Third factor out an x I will be happy

    asked by mike on July 8, 2007
  71. math

    A supervisor finds the mean number of miles that the employees in a department live from work. He finds mc022-1.jpg and mc022-2.jpg. Which statement must be true?

    asked by kiki on November 20, 2015
  72. Algebra

    Is there any prime number whose root is an integer? I meant to say Square Root Nevermind I figured it out. Good work. If a prime number by definition has no factors, ...

    asked by Jess on June 26, 2007
  73. physics

    A box which has a mass of 48 kg is dragged across the floor a distance of 5.9 m. If the coefficient of friction between the box and floor is 0.53, how much non-conservative work is done by friction? The acceleration due to gravity is 9.81 m/s2.

    asked by Fallon on April 29, 2010
  74. Physical Science

    A heat pump releases 103.0 kcal as it removes 54.0 kcal at the evaporator coils. How much work does this heat pump ideally accomplish? The answer should be in KJ

    asked by Barbara on September 18, 2014
  75. Fractions

    Yolana worked 1 1/2 hours raking leaves. Keaton raked leaves for 45 minutes. What fractional part of Yolana's time did Keaton work? A. 1/45 B. 15/45 C. 1/2 D. 3/4

    asked by SuJag on January 9, 2012
  76. Physics

    A person pushes a 10 kg crate 5 m up a 29 degree incline with an 80 N force parallel to the incline. The fricitonal force is 20 N. Find the work done: a) by the person b) by gravity c) by friction

    asked by Sabrina on October 27, 2014
  77. physcis

    you can close a door by pushing on the door anywhere except directly on the hinge. In each case you do exactly the same amount of work. Why does it seem harder to close thedoor if you push it cose to the hinge.?

    asked by Anonymous on October 15, 2008
  78. Physics

    A box is dragged across a floor by a rope which makes an angel 45 degree with the horizontal the tension in the rope is 100N ,while the box is dragged 10m the work done is?

    asked by Sangita on September 12, 2016
  79. psychology

    Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not

    asked by mymalaca on May 15, 2013
  80. science

    Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not

    asked by padarnalat on May 15, 2013
  81. physics

    Because a concave lens cannot form a real image of a real object, it is difficult to measure its focal length precisely. One method uses a second, convex, lens to produce a virtual object for the concave lens. Under the proper conditions, the concave lens

    asked by Ted on February 14, 2015
  82. adverbs adjectives in comparison Corr.3

    1. Assignment: Review - Adjectives, Adverbs, and Comparison • Use at least five adverbs and five adjectives to write a 150- to 300-word review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each

    asked by erica on November 13, 2010
  83. Physics- repost

    Posted by jude on Saturday, February 6, 2010 at 2:20am. Given a square of sidelength a = 5 cm. We place a charged particle at each corner, three of them carry + 2 nC of charge and one carries the same amount of negative charge. What is the magnitude of the

    asked by Sandra on February 6, 2010
  84. Math

    A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What

    asked by Anonymous on March 24, 2011
  85. math help please im stuck!

    1)Describe how you translate the graph y = ãx to y = 2 + ã(x +1). 8)Solve ã 3b = -3 10)For the triangle shown: 3 sided Kinda like --> /\ the right long side is 8 the left is 3 a.Find the missing length= b.Find the area= c.Find the perimeter=

    asked by Anonymous on May 21, 2012
  86. Pre Cal.

    1. Use half-angle identity to find the exact value of cos165. MY ANSWER: (-1/2)sqrt(2+sqrt(3)) 2. Solve 2 sin x + sqrt(3) < 0 for 0

    asked by Danny on June 16, 2009
  87. Vectors

    A mass of 15kg is supsended by 2 cords from a ceiling. the cords have lenghts of 15cm and 20cm, and the distance between the points wheere they are attached on the ceiling ia 25cm. determine the tension in each of the 2 cords. can someone please tell me

    asked by Marge on May 9, 2010
  88. Geometry

    Two similar pyramids have lateral areas f 20 square feet and 45 sqaure feet. The vloume of the smaller pyramid is 8 cubic feet. Find the volume of the larger pyramid. 33ft^3 27ft^3 18ft^3 12ft^3 Can some explain how to solve this.

    asked by June (needs help solving) on May 16, 2018
  89. calculus help please

    dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,-1 into the equation, and solve for C. Then find the y for x=2 if y= a^uhttp://math2.org/math/integrals/tableof.htm see exponential functions. dy/dx=2y^2 and if y=-1 when x=1, then when x=2, y=? how do i get x

    asked by bobpursley on December 10, 2006
  90. Basic Engineering2. Materials Science

    Boron is used to dope 1 kg of germanium (Ge). How much boron (B) is required to establish a charge carrier density of 3.091e7/cm^3. One mole of germanium has a volume of 13.57 cm^3 and weighs 72.61 gram. Give answer in grams of boron? I have no idea how to

    asked by Ray on December 4, 2012
  91. ALGEBRA

    SOLVE IN LINEAR EQUATION? A university bookstore recently sold a wirebound graph paper notebook for $1.08, and a college ruled notebook for $3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of $88.68

    asked by AMBER on March 28, 2012
  92. math

    A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS=796 ft and the distance AN=850 ft, compute the difference in the heights of the two columns to the nearest foot. What

    asked by Anonymous on March 23, 2011
  93. Chemistry

    A mixture of ethane and ethene occupied 35.5 L at 1.000 bar and 405 K. This mixture reacted completely with 110.3 g of O2 to produce CO2 and H2O. What was the composition of the original mixture? Assume ideal gas behavior Im pretty sure i use dalton's law

    asked by Drew on September 19, 2012
  94. Social Studies (Ms. Sue)

    What were the major progressive accomplishments of Wilson's presidency? My answer: The major accomplishments of Wilson's presidency were the passing of the Clayton Antitrust Act, which laid down rules forbidding business practices that lessened competition

    asked by Anonymous on June 4, 2013
  95. Physics

    One application of the index of refraction is analysis of crime scenes. Using the index of refraction, forensic scientists can determine what type of glass has been left at a scene. Read the following and answer the questions below. Different types of

    asked by Suzy on November 24, 2008
  96. 7th grade science

    1. A Punnett square shows you all the ways in which ____ can combine. (1 point) alleles eggs sperm colors 2. Mendel called plants that received different alleles for a trait from each parent ____. (1 point) hybrids dominant genotypes phenotypes 3. Which is

    asked by Delilah on December 12, 2012
  97. Newtons Cooling Method

    Instructions Assume that goat milk butter melts at {85.25}^{\circ} F. On a summer day you take a stick of butter out of the refrigerator, which is set to {36.5}^{\circ} F, and put it on your front porch where the temperature is {89.5}^\circ F. (a) By

    asked by Erica on September 23, 2016
  98. Biology

    1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused

    asked by mysterychicken on March 6, 2010
  99. Biology

    1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused

    asked by mysterychicken on March 6, 2010
  100. Biology

    1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused

    asked by mysterychicken on March 6, 2010

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