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Biology, 22.06.2019 06:00
How can you tell the difference between rough er from smooth er?
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Biology, 22.06.2019 08:30
What are some natural processes that represent physical and chemical changes?
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Biology, 22.06.2019 11:30
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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Biology, 22.06.2019 11:40
Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.
Answers: 1
Give any two properties of soil...
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