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Why do geologists think earths core contains mostly iron?
A. Other orbiting bodies contain more iron than earth's crust does.
B. The moon's crust contains far less iron than earth's crust.
C. The crust contains no nickel.
D. The crust contains a mixture of iron and silicon.
Answers: 3
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Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
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The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.
Answers: 1
NEED ASAP!
Why do geologists think earths core contains mostly iron?
A. Other orbiting...
A. Other orbiting...
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