Measurements Show That, on Average, Northern Hemisphere Temperatures Are Approximately

Multiple Choice

Measurements show that, on average, Northern Hemisphere temperatures are approximately 2°C warmer than Southern Hemisphere temperatures, and they are also more variable.What factor do scientists think might be responsible for these differences?

A) The Northern Hemisphere is at a higher latitude than the Southern Hemisphere is.
B) The Southern Hemisphere is at a higher latitude than the Northern Hemisphere is.
C) The Northern Hemisphere has more land, which absorbs more heat without raising the temperature.
D) The Southern Hemisphere has more ocean, which absorbs more heat without raising the temperature.
E) The temperature difference is greater in the summer, and Northern Hemisphere summers are longer than Southern Hemisphere summers.