Civil Services Prep

Prelims MCQ · Geography

In January, Northern Hemisphere isotherms commonly bend northward over oceans and southward over continents. Over the North Atlantic, the Gulf Stream and the North Atlantic Drift make the ocean warmer and cause the isotherms to bend farther north.

Which one of the following conclusions is most appropriate?

  1. Latitude ceases to influence temperature in the Northern Hemisphere during January.
  2. Northern Hemisphere continents are generally warmer than adjoining oceans during January.
  3. Land-ocean thermal contrast and warm currents produce substantial winter departures from the general latitudinal temperature pattern.
  4. The dominance of oceans makes Southern Hemisphere isotherms more irregular than Northern Hemisphere isotherms.
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