Please state the options / choices so that we can answer your question. Thank you.
Answer:
it's either A or D I believe. it's most likely D
Answer:
action potentials
Explanation:
other possible answers:
electrical impulses
muscular contractions
action potentials is likely your best bet though
Energy flow is the amount of energy that moves through a food chain
chemical cycling is the flow of elements and compounds between living organisms and the physical environment
It lights up the area its in and can start a fire
