Three physiology students are arguing about ATP and muscle function. Tom says ATP is needed for muscle contraction, not relaxation. Wendy says no, it is needed for relaxation, not contraction. Andrew says he thinks it is needed for both contraction and relaxation. Which is right and why?

Which of the following statements about slavery is not correct? a. slavery was a very profitable industry that build the united states. b. the french were the first to profit from the african slave trade. c. slaves were sold at auction blocks like farm animals. d. slaves were not considered citizens or even people.

If a swimmer is traveling at a constant speed of 0.85 m/s, how long would it take to swim the length of a 50m olympic sized pool?

When children heard an interesting story about a sympathetic and resourceful african-american child, the aim was to provide them with?