Which of the following substitutions can help reduce air pollution? using a bike instead of a car
O using dumps instead of landfills
O using coal instead of oil
O using fireplaces instead of a wind farms

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

idk but if i had to take an educated guess i’d say a c d

Dthrough a slow process