Iguazu waterfall is located between which two countries?

A. Brazil and Bolivia
B. Brazil and Argentina
C. Brazil and Chile
D. Bolivia and Colombia

Explanation:

Iguaçu Falls, “an ocean plunging into an abyss” on the border between Argentina and Brazil. Among the many islands along the falls, the most notable is Isla Grande San Martín, which is situated downstream from the Garganta do Diabo (on the Argentine side).