Why is diffusion important to plants and animals

Diffusion is important to plants and animals because it allows them to gain the useful substances they require to obtain energy and grow, and lets them get rid of waste products.

Explanation:

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.