Which statement best describes how waves carry energy?

a. energy moves from one place to another through the wave.
b. energy increases as it moves through the wave.
c. energy is completely consumed by the beginning of the wave.
d. energy builds through the wave and is released at the end.

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

How do the kidneys affect homeostasis

Aforce of 100 newtons is used to move an object a distance of 15 meters with a power of 50 watts. find the work dine and the time it takes to do the work