What are some of the questions focused by geologists?
a. The formation and composition of our planet
b. The causes of earthquakes and ice ages
c. The evolution of life
d. Protection of water resources
e. Exploration of oil and ores
d. Environmental remediation
f. All of the above
Answer: f. All of the above
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This wind-blown dust deposit (loess) from Tibet
A. forms a world-wide layer associated with a well-known extinction of dinosaurs. B. was deposited by a huge flood of seawater that covered the land at the time of the dinosaurs. C. began as clay and silt that were produced by grinding of rocks along ice-age glaciers. D. All of these.
Polar regions receive
A. maximum variation in solar isolation and high zenith angles. B. minimal variation in solar isolation and high zenith angles. C. minimum variation in solar isolation and low zenith angles. D. maximum variation in solar isolation and low zenith angles.
When rainwater attacks formations of limestone, the minerals dissolve and wash away with the mildly acid rainwater. This is an example of
A) oxidation. B) frost action. C) crystallization. D) carbonation.
________ is the country with the largest expanse of tropical rainforest
A) Brazil B) Malaysia C) Kenya D) India E) China