What class of minerals form when the element Si is bonded with element O, as in the mineral quartz? 
A. oxides
B. sulfides
C. silicates
D. carbonates
E. halides
Answer: C
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A spatial ____ exists if a condition, an occurrence, or a process in one place has an impact on other places
a. distribution b. extent c. interaction d. pattern e. threshold
Of the following statements about seawater salinity, which is/are true?
-An increase in salinity causes a corresponding decrease in electrical conductivity. -The two most common dissolved components in seawater are sodium and chloride. -Seawater salinity averages 35‰. -Seawater salinity averages 3.5%. -Seawater salinity does not vary from place to place in the ocean.
A mT air mass is likely to be ________ than a cT air mass because the mT air mass ________
A) drier; is a cold air mass B) wetter; forms over the ocean C) drier; forms under the equatorial low D) wetter; is warmer than the cT air mass E) hotter; forms over the ocean
Mt. Everest is the tallest mountain on Earth and its altitude is CLOSEST to ________ meters
A) 90 B) 900 C) 9,000 D) 90,000 E) 900,000