The three main heat-trapping greenhouse gases that contribute to climate change are ______.
A. water vapor, carbon dioxide, and methane
B. carbon monoxide, chlorofluorocarbons, sulfur oxides
C. carbon dioxide, water vapor, carbon monoxide
D. methane, carbon dioxide, and nitrous oxide
D. methane, carbon dioxide, and nitrous oxide
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The Supreme Court declared the Defense of Marriage Act to be unconstitutional because it violated the Due Process clause of the______ Amendment.
A. First B. Second C. Fourth D. Fifth
Shays' Rebellion
A. reinforced public support for the Articles of Confederation. B. convinced many political leaders that the national government was too weak. C. was a successful revolt. D. convinced many political leaders that the national government was too powerful. E. occurred after the Philadelphia convention of 1787.