The majority of atmospheric ozone (about 97%) is found in the ____
A) thermosphere
B) mesosphere
C) stratosphere
D) exosphere
C
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Harmful algal blooms (HABs) are most common in what parts of a lake?
A. Around islands B. In the middle C. Near river outflows D. Along the bottom
All of the following are effects of U.S. federal price supports on agricultural products, EXCEPT
A) the market cannot arrive at an equilibrium price through its normal market mechanism. B) farmers grow a larger amount of surplus crops than consumers buy. C) buyers pay more than they would if market conditions prevailed. D) consumers' incomes are artificially raised by these agricultural price supports. E) farmers' incomes are artificially raised by government subsidies.
What is permafrost?
A. frozen surface dew B. frost in the dirt C. wintertime soil freeze D. chunks of ice E. permanent frozen subsoil
One nice thing about living in Kentucky is that we are not at any risk of experiencing a serious earthquake.
a. true b. false