TO
4 What is the difference between respiration and
gas exchange?​

Respiration is the release of energy from glucose or another organic chemical. Gas exchange takes place at a respiratory surface —a boundary between the external environment and the interior of the organism. Respiration occurs in cell. Gas exchange occurs in alveoli in lungs

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.

is this a psat question, if so do not cheat try your best.