Answer:
associated with unstable air and stronger weather disturbance, there is more moisture in the air of a maritime air mass, increasing the possibility of rain, snow, and storms. forms over Canada, move down from North Pole, bring bitterly cold and dry air to the northern United States during the winter.
31c-11c=20c So, therefore, the range is 20c.
Hope this helps! :D
Gymnosperms – plants with cones.
Angiosperms – plants with flowers.
