The map below shows a position of the polar jet stream over north america in january
which map best shows the air-mass movements associated with this jet stream position?

The correct answer for this question is item number 1. The map that best shows the air-mass movements associated with this jet stream position is the one presented in image 1. The Jet Stream curve is like a sine wave with mT that is pointed at the left edge. That presents the air movement in perspective with the jet stream position.

Answer the above statement is correct (true);

D. coal i hope that