10.) Jet streams are winds that can travel up to 400 kilometers per hour. A jet stream can have an extremely powerful effect on the weather. Which of these explains how jet streams can affect weather in the United
States?

A. Jet streams bring cool, dry air down from the North Pole in the summer and pulls warm, moist air up
from the equator in the winter.
B. Jet streams bring warm, dry air down from the North Pole in the winter and pulls cool, moist air up
from the equator in the summer.
C. Jet streams bring cool, dry air down from the North Pole in the winter and pulls warm, moist air up
from the equator in the summer.
D. Jet streams bring cool, dry air from the eastern US in the winter and pulls warm, moist air from the
western US.