Changes in the ocean current patterns brought by el niños

a. devastated whole civilizations.
b. were necessary for farming in the andes.
c. brought winds that enabled trade with the pacific islands.
d. brought cyclical floods that regenerated the land.

D

Explanation:

El Ninos, is a spanish term meaning the boy. El Ninos are warm ocean current of varibale intensity that develop in late December along the cost of Ecuador and Peru. These winds bring a dry and catastrophic weather condition along the coast lines.

The correct answer is

D. brought cyclical floods that regenerated the land.

answer; in the united states the plains include the great plains of the west and the tail grass prairie to the south of the great lakes extending east to the appalachian plateau