Question

2) What is a cold wave?​

Answer 1

Answer:

A cold wave is a weather phenomenon that is distinguished by a cooling of the air. Specifically, as used by the U.S. National Weather Service, a cold wave is a rapid fall in temperature within a 24-hour period requiring substantially increased protection to agriculture, industry, commerce, and social activities.

Answer 2

Answer:

cold wind is a whether phenomenon that distinguished by cold wind