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.
Please select the best answer from the choices provided