The crust is _______ beneath the continents relative to the ocean.
a) thinner
b) thicker
c) the same thickness
d) the same composition
e) None of the above
Ans: b) thicker
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A chemical or biogenic sedimentary rock consisting of dolomite is called
A) limestone. B) rock salt. C) rock gypsum. D) dolostone.
Cumuliform clouds:
A) are typically much wider than they are tall. B) form in absolutely stable air conditions. C) have very weak vertical velocities within them. D) typically have higher water content than stratiform clouds.
Supercell storms
A) are not readily visible on Doppler radar. B) account for a majority of tornadoes. C) do not exhibit any rotational aspects. D) are larger than mesoscale convective complexes.
Which of the following causes desertification?
A. cutting of trees for firewood B. overgrazing C. flooding D. overgrazing and cutting of trees for firewood