Major air masses rise from Earth's surface at:

a. the equator and 30 degrees latitude
b. 30 degree and 60 degree latitudes
c. the equator and 60 degrees latitude
d. 30 degrees latitude and the poles
e. the poles.


c

Biology & Microbiology

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The dominant land plants during the Mesozoic era, from about 250 million years ago to 65 million

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Most of the carbon now present in the earth's

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Peptides and small proteins are generally too large to be transported into cells using transport proteins or by moving through pores. The macromolecules are brought into the cell using

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