Polar vortex: What is it and how does it happen? - World Trend News

Breaking News

Home Top Ad

Responsive Ads Here

Post Top Ad

Responsive Ads Here

Wednesday, January 30, 2019

Polar vortex: What is it and how does it happen?

The deep freeze gripping much of the US has been blamed on a polar vortex. Here's what that means.

from BBC News - World https://bbc.in/2MH7R3z

No comments:

Post a Comment

Post Bottom Ad

Responsive Ads Here