Some rocks and minerals are not stable at the surface because they
A) are exposed to water.
B) formed in high-temperature environments.
C) formed in high-pressure environments.
D) are exposed to oxygen.
E) All of these are correct.
E) All of these are correct.
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Answer the following statement true (T) or false (F)
What is radiation and what role does it play in the transfer of energy in the atmosphere?
What will be an ideal response?
A surface of discontinuity representing a break in the depositional record; a discontinuity representing
erosion or nondeposition is a(n) ____________________. Fill in the blank(s) with the appropriate word(s).
Given that urban populations are growing at twice the general population growth-rate, it is likely that
A) urban areas have low unemployment. B) urban areas have adequate housing. C) there is a net movement of people from rural areas to urban areas. D) people live better lives in urban areas than in rural areas.