Answer:
Based on the relative volumes of the gases in Earth’s atmosphere, nitrogen is actually more than 3 times more than oxygen. Because the troposphere is the lowest atmosphere layer, it contains 75 percent of the atmosphere’s mass.. From largest to smallest, Earth’s atmosphere composition contains nitrogen, oxygen, argon, CO 2 and trace gases.
Explanation:
In the absence of oxygen, fermentation releases energy from food molecules by producing ATP.
Explanation: By fermentation releasing food molecules it allows for ATP to begin.
The answer is D. id be more than happy to explain if you like