Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
Enzymes are biological catalysts that speed up a reaction
Initiation , elongation, termination
I honestly think that it is absolutely B
Answer:
Pretty sure they're both A.
