What causes currents to flow between the poles and the equator?
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a. tsunamis
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b. the coriolis effect
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c. uneven solar heating
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d. earth's rotation

Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust

In a scientific experiment, a is any factor that can be changed or be changed

Some fossils provide evidence to suggest that earth's climate has changed over time. which information can scientists obtain from these fossils? check all that apply