Nitrogen is a component of chlorophyll and therefore essential for photosynthesis
The genes encoded in your DNA result in the production of proteins that perform specific functions<span>within your cells. Various environmental factors and spontaneous events can lead to changes in genes.</span><span>These changes, called mutations, can lead to alterations in the structure and activity of the proteins your</span>cells use in their daily activities. In other words, changes to your genotype can result in changes to your<span>phenotype. We all have mutations in most of our body cells—yet we are, for the most part, normal and</span><span>functional human beings. </span>
Answer:
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Explanation:
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I think the answer is C Air pressure is lowest when lung volume is constant. Having high air pressure isn't good for the lungs.
<span>During most of the earth's history, global sea levels have been lower than they are today</span>