The body gets rid of acid in a chemical pathway that requires oxygen. The correct answer is B, oxygen.
The answer is gas only.
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<span>The organisms in the soil food chain that don't obtain energy directly from plants are protozoa.
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Explanation:
Knowing the number of valence electrons in one of the alien elements helps in identifying it because the number of valence electrons can help categorize the alien element. Similar elements have the same valence electrons and knowing the category of the element can help further analyze the element.
