Alfred Wegener was the first scientist to propose a previous connection between some of
the continental masses. Indicate whether the statement is true or false.
F
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Groundwater
A. can only reach the surface if it is pumped. B. accumulates from water that falls on the land's surface. C. is in porous rock and does not flow. D. has no contaminants.
Of all the planets in the solar system only Earth has an atmosphere.
Answer the following statement true (T) or false (F)
The normal boiling point of acetic acid is 117.9°C. Which of the following is true?
A) The vapor pressure of acetic acid at 100°C is greater than 760 torr. B) The vapor pressure of acetic acid at 100°C is equal to 760 torr. C) The vapor pressure of acetic acid at 100°C is less than 760 torr. D) There is insufficient information to answer the question.
In the Northern Hemisphere, the polar jet stream is strongest when:a
air north of the polar front is much colder than air south of the polar front. b. air north of the polar front is much warmer than air south of the polar front. c. air temperatures on opposite sides of the polar front are about equal. d. air temperatures on the East Coast of the US are much colder than on the West. Coast of the US