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The half life of a certain radioactive element is 1250. what percent of the atoms remain after 7500 years
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There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?
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Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?
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What is the most important inorganic material for livings things? ! due tomorrow!
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The half life of a certain radioactive element is 1250. what percent of the atoms remain after 7500...
Mathematics, 28.02.2020 20:22
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