Strong El Nino causes weather pattern that has colder waters than the normal waters which reach the North America.
Answer: Option b
Explanation:
The El Nino has a weather pattern which occurs in the ocean of Pacific ocean. It has very unusual movements of wind. It causes the warm conditions of the surface waters which move from equator to the east.
It is towards the central as well as the South America. Now as the warmer and wetter conditions are experienced over South America. North America experiences the colder conditions.
