Which is true for both photosynthesis and cellular respiration?
a. they are simple chemical reactions.
b. they are complex chemical reactions.
c. they require cells to use water.

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.

What i dont get the  questions

Whatis the question here