<span>Most of the nitrogen gas in Earth's atmosphere comes from _____.
</span>
<span>
D. the breakdown of carbon dioxide</span>
<span>chemical potential energy</span>
A. to increase food production
I think the correct answer from the choices listed above is option D. The most important reason to know basic first aid is that it<span> allows emergencies to be treated swiftly. This is because the things that should be done immediately when accidents happen are done and further accidents or complications are prevented.</span>