Pillow lava forms when ____

A)lava is rapidly chilled underwater
B)lava cools slowly on land
C)pyroclastic volcanic ash is consolidated
D)lava is ejected from a lava tube
E)a pahoehoe flow cools and becomes an aa flow


A

Environmental & Atmospheric Sciences

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A) nuclear power B) coal C) natural gas D) wind E) solar

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Population increase is important because it buffers the impacts of hazardous event

Indicate whether the statement is true or false

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Much of the increasing global need for electricity can be met by solar sources because

A) about 70% of electrical demand occurs when the sun is shining. B) modern battery technology now makes electrical storage cheap and efficient. C) only about one square meter of photovoltaic cells are needed to heat a home. D) even at night most solar power systems run at about 50% of normal capacity.

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Changes in the shape of Earth's orbit are termed Earth's ____________________

Fill in the blank(s) with correct word

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