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Geography, 22.01.2020 22:31 castor1358

What do scientists predict killed the dinosaurs?
a) aliens
b) people
c) pollution
d) climate change

radioactive decay occurs when atoms
a) lose mass.
b) join with atoms of another element.
c) break down to form atoms of another element.
d) are exposed to chemical weathering.

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What do scientists predict killed the dinosaurs?
a) aliens
b) people
c) polluti...
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