Weathering of feldspars by hydrolysis produces:
a. clay minerals
b. dissolved cations
c. dissolved silica
d. all of the above
d
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When a parachutist falls through the air, as velocity increases the net force
A. increases. B. decreases. C. remains unchanged. D. can not become zero.
The Zapatista rebellion in Chiapas (Mexico) coincided with the beginning of NAFTA and concerned the issue of
A) a peasant way of life. B) indigenous rights. C) globalization. D) exploitation. E) a peasant way of life, indigenous rights, globalization, and exploitation.
Sedimentary rocks with marine fossils are exposed at the top of Mt. Everest. Which scientists would make most use of this observation in their study?
A) Geologists, because their elevation is related to physical geology and fossils are related to Earth history
B) Oceanographers, because the fossils can tell us about periods when the earth was covered with water to the height of Mt. Everest
C) Astronomers, because they can study how life came from outer space to Earth
D) Meteorologists, because they could use the fossils as a guide to ancient climates
Hydrogen bonds in water form between the
A. hydrogen atom of one water molecule and the oxygen atom of another water molecule. B. oxygen atom of one water molecule and the sodium atom of a salt molecule. C. oxygen atom of one water molecule and the oxygen atom of another water molecule. D. hydrogen atom of one water molecule and the hydrogen atom of another water molecule.