Cells are the smallest unit of live so basically what they do is take in nutrients and provide structure
Answer:The sequence of the nucleotides along the backbone encodes genetic information
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i think it is the sun but i have not studied the water cycle a lot so i may be wrong
hope it helps
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Answer:
A logging company promises to plant five trees for every one of them that it cuts down. You may or may not have seen a forest affected by acid rain. The trees are stripped of leaves and branches and the whole forest appears to be like it's dying, which it is. Acid rain is caused by air pollution and has a very harmful effect on plant and animal life, any life really.
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<u>Answer:</u>
<em>Low calcium level in body may cause a condition called hypocalcemia.
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<u>Explanation:</u>
When a <em>person has the condition of hypocalcemia his/her muscles and nerves that are releted to calcium levels in blood</em> will undergo spasms or twitching. This is generally termed as muscular irritability. <em>Muscle cramps in leg and arms are symptoms of hypocalcemia.
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When the fall in calcium levels is sudden then the <em>twitching of muscles</em> will be more evident. Calcium absorption is only possible if there is adequate supply of vitamin D in our body. <em>Thus the levels of calcium and vitamin D should be well maintained to avoid hypocalcemia.
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