Which one of the following is not a compound?
a) marble
b) ozone
c) carbarndum
d) qu...
Answers: 3
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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
Answers: 1
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