Answer:
C. The threat of nuclear war.
Answer: C. more powerful than modern-day civil sevants
Explanation: I got an 100% on the k12 quiz
B. and D.
I believe, but I am not 100% sure!
Answer:
What role does blood play before cellular respiration can occur?
Blood releases energy from very small molecules.
Blood carries energy from cytoplasm to a mitochondrion.
Blood delivers oxygen and glucose to cells.
Blood delivers carbon dioxide and water to cells.
Explanation: