Discussion
One of the following statements about the temperature distribution over the Earth's surface is incorrect.
Answer: B
The incorrect statement is that the isotherms are displaced towards the equator over the oceans.
Oceans store heat and change temperature slowly, so in winter they are warmer than land at the same latitude, and the isotherms bend poleward over the oceans and equatorward over the cold continents. On the January map of the northern hemisphere, for example, isotherms swing north over the North Atlantic and south over Asia and North America. The summer bends, smaller in amplitude, are the reverse.
The other statements are correct: the greatest heat and cold occur over continental interiors, the equator-to-pole temperature gradient is steepest in winter, and isotherms bend towards the equator over land in winter.
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