Compounds which contain a carbon-carbon triple bond are classified as which of the following?
A) alkanes
B) alkenes
C) alkynes
D) arenes
C
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The Hadley cell is characterized by.
A) low pressure, sinking air over the equator; high pressure, rising air at 30°N and 30°S. B) high pressure, sinking air over the equator; low pressure, rising air at 30°N and 30°S. C) low pressure, rising air over the equator; high pressure, sinking air at 30°N and 30°S. D) high pressure, rising air over the equator; low pressure, sinking air at 30°N and 30°S.
The water balance diagram below suggests that
A) summers are very dry.
B) winters are snowy.
C) long periods of drought are common.
D) All of these are correct.
The first European settlers at the far southern tip of Africa were the
A. British B. Dutch C. Belgians D. French
U.S. environmental law and policy are influenced by the actions of ________
A) the legislative branch B) the judicial branch C) the executive branch D) all three branches of government E) only the executive and legislative branches