Q22
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.