I believe Na+F2 -> 2NaF is the balanced equation.
The Differences in the Respiratory Systems<span> of </span>Frogs<span> & </span>Humans<span>. </span>Frogs<span> and </span>humans <span>need to breathe for the same reason: to bring oxygen into the body and to expel carbon dioxide. We both have lungs for these tasks, but that's where most of the similarities end.</span>
<span>They are both invertebrates.</span>
Answer:
B: Plants use carbon dioxide and release oxygen during photosynthesis
Explanation:
The answer is A. It is gotten from eating food.