题目内容

Based on your knowledge of how rapidly different minerals weather, which of these rock types would provide the most suitable foundation base for a home built in the tropics?

A. basalt
B. mafic volcanic breccia
C. limestone
D. granite
E. andesite

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When granite is chemically weathered, quartz __________.

A. becomes mica
B. is converted into kaolinite
C. remains virtually unchanged
D. is changed into oxides
E. none of the above

The source of energy that drives Earth's external processes is __________.

A. tidal forces
B. wind
C. gravity
D. the Sun

The relation between volcanic eruptions and climate cannot be established.

Which volcano type is a very large, gently sloping mound composed mainly of basaltic lava flows?

A. caldera
B. cinder cone
C. stratovolcano
D. composite
E. shield

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