Some factors could be:
weather
ressources
Explanation: The stretch-shortening cycle (SSC) refers to the muscle action when active muscle lengthening is immediately followed by active muscle shortening. ... The stretch-shortening cycle (SSC) refers to the muscle action when active muscle lengthening is immediately followed by active muscle shortening.
Scientific inference
<span>¯\_(ツ)_/¯</span>
I think the answer is B sorry if I’m wrong