Classify the hypotheses about fluids on earth as falsifiable or non-falsifiable.

a falsifiable statement or hypothesis is one that can be proven wrong. the first statement is non-falsifiable because it is a subjective opinion.

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.

i think that d. wind is the answer.   i missed the question when i answered a. currents.