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What form of government is powers of states? first letter of the answer is r.

What did the incas accomplish? a. written language b. formalized religion c. conquest of the western south america d. formalized government

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste