1. How do you measure amplitude? A. How wide a wave is
B. How high a wave is
C. How loud a wave is
D. How regular a wave is

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases