A mT air mass would most likely originate over which type of earth surface

a: warm and moist
b: dry and cold
c: cold and moist
d: warm and dry

apes

explanation:

evolution theory

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.

bc blah

explanation:

bc blah