Which of the following minerals does NOT have cleavage?
a. sphalerite
b. olivine
c. calcite
d. plagioclase feldspar
b
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In Lake Michigan, resources would include
A) the pH of the water. B) the temperature of the water. C) the salinity of the water. D) microscopic algae in the water.
Which of the following lists the correct sequence of gases, from most to least, in terms of percentage within the homosphere?
A) nitrogen, oxygen, argon, carbon dioxide, trace gases B) carbon dioxide, oxygen, nitrogen, hydrocarbons, C) oxygen, ozone, nitrogen, PAN, carbon dioxide D) oxygen, nitrogen, neon, hydrocarbons, carbon dioxide E) nitrogen, argon, oxygen, xenon, carbon dioxide
Which of these represents a form of glacier ablation?
a. calving b. snowfall c. freezing rain d. crevasses e. sleet
Global climate change in the Far North is most acute in the ________
A) Spring B) Summer C) Autumn D) Winter