Answer:
The answer is the second option: a Biotic Community
Answer:
B) These molecules are used in the electron transport chain.
Explanation:
NADH and FADH2 are used by donating electrons to the electron transport chain. They both donate electrons by providing an hydrogen molecule to the oxygen molecule to create water during the electron transport chain
Exclamation. Isn't this the wrong section? :D
Drying and salting were first used by the early men to prevent food spoilage