I think the answer is (4) using large amounts of some materials that cannot be renewed :))
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Answer:Acids and bases In the human body, both blood and the cytosol (watery goo) inside of cells have pH values close to neutral. ... A base, in contrast, raises pH by providing hydroxide (OH −start superscript, minus, end superscript) or another ion or molecule that scoops up hydrogen ions and removes them from solution.
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Answer: pregnant?
Explanation: if her diet and exersice hasnt change then thats the only thing possible.
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<em>The release of </em><u><em>acetylcholine</em></u><em> to muscle cell receptors triggers muscle contractions.</em>
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Answer:
A)The daily rise and fall of Earth's waters on its coastlines
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