Answer:
the correct answer is enzymes
Explanation:
enzyme act as catalyst and is a biological molecule which within the cell membrane can speed up or increase the rate of biological reaction without affecting itself and is obtained unchanged at the end of reaction
Well it depend what science are u talking about.
Physic would require algebra and something about graph (Reading graph)
Biology would require graphing and simple add and subtracting
Chemistry would require graph and know how each atom react to each other. <span />