Https://quizlet.com/35819100/chapter-20-flash-cards/
Unpredented ethical and social concerns. as well as serious challenges to the environment. human health, animal welfare, and the future of agriculture.
The answer is 2. 2 Hydrogen atoms to 1 Oxygen atom.
Mitochondrion
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.
