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Which of the following options has the correct types of Planetary winds?
Question

Which of the following options has the correct types of Planetary winds?

A.

Local Winds and Periodic Winds

B.

Trade Winds and Periodic Winds

C.

Trade Winds, Westerlies and Polar Easterlies

D.

Polar Winds and Westerlies

Correct option is C

The correct answer is (C) Trade Winds, Westerlies and Polar Easterlies.

Explanation:
Planetary winds are global wind patterns that blow consistently due to the Earth's rotation and temperature differences between the equator and the poles. The three main types of planetary winds are:

Information Booster:

  • Trade Winds: Found between 0° and 30° latitude, crucial for historical maritime trade.
  • Westerlies: Dominant winds between 30° and 60° latitude, influence weather patterns in Europe and North America.
  • Polar Easterlies: Occur in high latitudes (60°–90°), bringing cold Arctic and Antarctic air.
  • Global Circulation Model: The Earth's atmosphere is divided into three circulation cells per hemisphere – Hadley, Ferrel, and Polar cells.
  • Coriolis Effect: Causes winds to curve due to the Earth's rotation, influencing planetary wind directions.

Additional Information:

  • Local Winds and Periodic Winds – Not planetary winds; they result from local conditions or seasonal changes (e.g., Monsoons, Sea Breeze).
  • Trade Winds and Periodic Winds – Incorrect, as Periodic Winds are not planetary winds.
  • Polar Winds and Westerlies – Incorrect, as Polar Winds is not a standard term; the correct term is Polar Easterlies.

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