Answer:
El Nino is a weather pattern which usually peaks during the winter months of the northern hemisphere. This weather pattern involves interaction between the ocean and the atmosphere, resulting in warmer waters in major areas of the Pacific Ocean. When that happens, global weather patterns will be affected so C.
Explanation:
Option - IT IS BASED ON PREDICTION
because they have not had any way of telling where or when it has happened or occurred so you must predict how it happens or works.
hope this helps