It is the presence of oxygen-bound hemoglobin that makes it bright red
Day and night is caused by the earth rotating on its axis throughout 24hrs
<span>Intrinsic factor is a glycoprotein principally secreted by the parietal cells of the stomach. This secretion is needed to produce mature erythrocytes. Its secretion is governed by the same biochemical processes that regulate acid secretion and its action is to assist in the absorption of vitamin B12.</span>
<span>no predator, Thus enabling it to it to grow and kick the other organism out of the area</span>
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