Which statement describes the negative effects of el niño? a. el niño appears every 2 to 12 years. b. rain, flash floods, and mudslides occur in places where there is usually little rain, while usually wet areas suffer from drought. c. sometimes el niño is followed by la niña, during which ocean temperatures become cooler. d. upwelling along the coast of south america occurs after an el niño.

El Niño is a climate cycle in the Pacific Ocean with a global impact on weather patterns.

The following statement describes the negative effects of El Niño: Rain, flash floods, and mudslides occur in places where there is usually little rain, while usually wet areas suffer from drought. Correct B La Niña is the opposite. It is when sea surface temperatures in the central Pacific drop to lower-than-normal levels.