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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 19:30
Which of the following would you not find in a bacterial cell? dna cell membrane golgi apparatus ribosomes
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Biology, 23.06.2019 00:00
What is the correct name for the animal pictured on the right? puma cougar panther mountain lion catamount
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