Where does most of the sediment on the Pacific coast originate from?
a. Granite rock
b. Biological productivity
c. Basalt rock
d. Mineral precipitation processes
e. Organic material
a
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Two charged particles 1 m apart exert a 2-N force on each other. If the particles are instead 0.5 m apart, the force on each particle will be
A. 2.0 N. B. 8.0 N. C. 4.0 N. D. none of the above
Prior to Belgian colonialism in Rwanda, the Hutus and Tutsis lived together quite peacefully. According to our text, conflicts between the groups emerged after the Belgians introduced the concept of
A) money. B) borders. C) socio-political difference. D) slavery. E) cash crops.
Destruction caused by a tornado is primarily due to the large pressure drop as the funnel passes over
Indicate whether the statement is true or false
Scientists have direct evidence of Earth's internal structure down to upper mantle
Indicate whether the statement is true or false