In terms of long-term temperature increases in the atmosphere, which of the following is TRUE?
A) Average global temperature has risen 5°C in the 20th century.
B) No changes have been observed in the 21st century.
C) The greenhouse effect has never been shown to be real.
D) Increases in greenhouse gases have been observed.
E) It appears that we can readily curb the carbon dioxide problem.
Answer: D
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Between August 18 and 19, 1969, Hurricane Camille began to dissipate due to
A) decreasing wind shear aloft. B) decreasing storm surges. C) an increased supply of latent heat after making landfall. D) an decreased supply of latent heat after making landfall.
Jet streams are associated with fronts because of the:
A) large temperature gradient. B) clouds forming there. C) higher pressure behind the front. D) reduced friction above the front.
List three agents of metamorphism
What will be an ideal response?
"Exotic" is another word for
A. Beautiful B. Foreign C. Rare D. Desirable E. Tropical