Biology, 21.11.2019 18:31 athenajames1221

This is a change in the genetic makeup of a population or species over time.

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Biology, 22.06.2019 00:10, maddie3354

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Biology, 22.06.2019 06:10, HOTaco1837

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Biology, 22.06.2019 11:30, annsmith66

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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This is a change in the genetic makeup of a population or species over time....