Large volcanic eruptions
A) increase global temperatures due to the increased albedo of volcanic aerosols.
B) decrease global temperatures due to the increased albedo of volcanic aerosols.
C) have no effect on global temperatures despite the increased albedo of volcanic aerosols.
D) have little effect on the atmosphere unless only a small amount of sulfuric gases are released.
Question 2
Changes in the output from the Sun
A) are significant and account for varying climatic cycles.
B) are totally insignificant.
C) do effect the earth-atmospheric temperature but the total impact is not fully understood.
D) account for the periods of drought and wetness over North America.
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Global Economic Relationships