What is the reason of duration of cold wave in America?
A. Bio-diversity and Habitat
B. Climate and Energy
C. Political Administration
D. Polar Vortex
Answer: Option D
Solution(By Examveda Team)
Polar Vortex is low pressure area lying in the Upper Tropospheric level near Earth's pole. The Southward shifting of such a low pressure area bring cold waves in America in winter.This Question Belongs to Geography >> World Climate And Weather
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