Solar power because it is never ending and has no emmisions
An electron transport chain (ETC) is a series of complexes that transfer electrons from electrondonors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.
Answer:
O because the model makes the concepts easier to understand
Explanation:
The model would help other people understand his results.
C) Chromosomes are made of chromatin, which contains DNA and proteins.