Francisco Coronado and his scouts were the first Europeans to discover the? a. Appalachian Mountains

b. Grand Canyon

c. Mississippi River

d. Atlantic Coastal Plains

Correct answer is b. Grand Canyon .

Explanation:

B is the correct option, as Coronado together with his men discovered Grand Canyon in 1540.

A is not correct answer as the first explorer who used this term was Álvar Núñez Cabeza de Vaca.

C is not correct as Hernando de Soto was the first European to reach Mississippi.

D is not correct as French explorer were among the first to reach this area.

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