A generally a light-colored silicate mineral is
A) quartz.
B) pyroxene.
C) amphibole.
D) biotite.
E) All of these are correct.
A) quartz.
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Distribution of potential evapotranspiration during the year:
Maps are secondary data sources when
A) they are used to provide an interpretation for addressing some other question. B) they have undergone two or more revisions in order to enhance their accuracy. C) they express coordinates not only in latitude-longitude but also in at least one other survey system. D) they are available in both paper and online formats.
Which of the following is created when a glacier acts as a dam, blocking the flow of a river or melting glacial water?
A) playas B) proglacial lakes C) cirques D) pluvial lakes
After rising up and over a mountain range, a foehn-type wind will be ____ than it was before it encountered the mountain
a. warmer and moister b. cooler and moister c. warmer and drier d. cooler and drier