Answers: 3
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?
Answers: 1
Biology, 23.06.2019 00:00, marialandingin7520
Aglacier retreats, exposing bare rock and allowing communities of organisms to move in. this is an example of
Answers: 3
A(n) infection is an infection that produces no noticeable symptoms even though the microbe is activ...
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