During winter vacation, you learn that a polar jet stream is traveling across the United States. The forecaster says there will be big changes in the weather as the jet stream moves past your town in Florida
What causes wind? Choose the two that apply.
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A
uneven heating of Earth's surface
B В
warm air sinking while cold air rises
C
air movement from high to low pressure
D
air movement from low to high pressure

Explanation:

uneven heating of Earth's surface. warm air sinking while cold air rises

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

i don't know. if i were you, i would search it up online : d