After a volcanic eruption, ______ helps to break down the lava to produce fertile soils.

Fill in the blank(s) with the appropriate word(s).


Right answer summary: weathering

Environmental & Atmospheric Sciences

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A. a B. b C. c D. d E. none of the above

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Why does the moon have more of an impact on tides than the sun?

a. The size of the moon is more in balance to Earth. b. The moon is closer to Earth. c. The sun has more power over the tides than the moon. d. Earth revolves around the sun. e. The moon revolves around the sun.

Environmental & Atmospheric Sciences

Poor countries do not have the opportunity to sell food products to rich countries because

A) the quality of their produce does not meet the standards set by rich countries. B) the rich countries have erected tariff walls to close their markets of food imports from poor countries. C) they hardly have the capability to produce sufficient food for themselves. D) the types of food grown in poor countries are alien to the tastes found in rich countries. E) poor countries would not know how to use the foreign exchange they received in such an enterprise.

Environmental & Atmospheric Sciences

Which is the correct ranking of regions with the most active volcanoes and volcanic activity?

1. Circum-Pacific belt 2. Mid-oceanic ridges 3. Mediterranean belt 4. Isolated sites like the Hawaiian Islands a. 2, 1, 3, 4 b. 1, 3, 2, 4 c. 2, 3, 4, 1 d. 1, 2, 3, 4 e. 3, 2, 1, 4

Environmental & Atmospheric Sciences