An object greater than ____ in size hitting the Earth would likely cause an impact winter
a. 10 meters
b. 40 meters
c. 1 kilometer
d. 1.6 kilometers
d
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Thunder and lightning are associated with the ________ cloud
A) nimbostratus B) cirrostratus C) cumulonimbus D) altostratus E) cirrus
Salt crystal growth is most effective in ____
a. humid tropics and high latitudes b. coastal areas and humid tropics c. high latitudes and coastal areas d. coastal areas and deserts
The most unreliable (variable) diagnostic property of minerals such as quartz is ________
A) hardness B) color C) specific gravity D) habit
If wealth is measured only by GNI per capita, then which statement below is true?
A. Canada is richer than the United States. B. Canada is not quite as wealthy as the United States. C. several European countries are somewhat better off than the U.S. and Canada. D. high GNI per capita countries have affordable national health care plans.