Biology, 11.10.2019 09:30, emmapizano
Which event allowed greater diversity of life during the paleozoic era?
Answers: 1
Biology, 22.06.2019 05:00, chinnellepug2149
A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?
Answers: 2
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
Which event allowed greater diversity of life during the paleozoic era?
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