Answer:
A. It is a source of genetic variation
The scientific study of the biological aspects of social behavior in animals or humans! Hope this helped.
Answer:The electron transport chain is a series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons across a membrane. The electron transport chain is built up of peptides, enzymes, and other molecules
Explanation:give brianlest
Answer:
Potassium and Carbon Dioxide
Explanation:
Calcium deficiency disease (hypocalcemia) --- like osteoporosis, osteopenia !!
