D... i took science last year
Hello! The answer to your question would be as followed:
<u><em>A. 38 molecules of ATP are produced</em></u>
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The ATP yield during aerobic respiration isn't 36-38, but only about 30-32 ATP molecules/ 1 molecule of glucose.
A hypothesis is considered scientific if it has something that can be supported or refuted through carefully crafted experimentation or observation
Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
So when the Moon<span> rotates around the </span>earth<span> is pulls the water away from the </span>earth<span>causing high tides. Low tide is caused by the </span>moon<span> and </span>sun<span> working at right angles to </span>each other<span>, their gravitational forces effectively cancel </span>each other<span>out.</span>