Answer:
Diffusion
Explanation:
I think this may be it but I don't know for certain.
Someone asked this question already and it was answered by @mrsbabyjacob and verified by an expert. Here’s there answer:
“Relaxation occurs when stimulation of the nerve stops. Calcium is then pumped back into the sarcoplasmic reticulum breaking the link between actin and myosin. Actin and myosin returned to their unbound state causing the muscle to relax.”
Another person said they thought the answer was A.
Just don’t want you to accidentally waste your points when there are answers already :)
It would be the last one. ' enables an organism to survive and reproduce.'
I was going to say C, but adaptions are changes, so they wouldn't continuously change.
Adapting helps the organism change in order to develop in its environment
Hope this helps :)
Machines do things more efficiently, Just use time, It gets in the way of work,
