Although these are all common in our atmosphere, which one is not a greenhouse gas?
A) Carbon dioxide
B) Methane
C) Nitrogen
D) Water vapor
C
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The two principal sects of Islam—Sunni and Shiite—date back to a struggle over rule of the Muslim world that occurred shortly after Muhammad's death
Indicate whether the statement is true or false.
The largest proven coal reserve in the world is located in __________.
A. South America B. North America C. Asia D. Europe E. Australia
A major obstacle to the establishment of wind farms near populated and scenic areas is ________
A) the lack of financial support for the construction of wind farms B) the lack of infrastructure to support wind?generated electricity C) not-in-my-backyard (NIMBY) syndrome D) the lack of large land areas needed to construct wind farms E) the lack of government support for the construction of wind farms
The majority of spoken African languages descend from which language family?
a. European b. Nilo-Saharan c. Niger-Congo d. Afro-Asiatic e. Austronesian