What is the key difference between a coelom and a pseudocoelom? a) a coelom is a true body cavity, whereas a pseudocoelom is a false coelom that is not fully functional. b) pseudocoeloms arose early in animal evolution and evolved into coeloms. c) only a coelom is fully lined with mesoderm tissue.

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

Ibelieve the answer is c.