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What are hormones?
amamanaksbjavaav
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Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?
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As an asteroid comes close to earth, it's name will change to? apex
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What are hormones?
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