Question

What is El Nino and La Nina, and how are they different?

Answer 1

El Niño refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. It represents the warm phase of the ENSO cycle. La Niña refers to the periodic cooling of sea-surface temperatures across the east-central equatorial Pacific.

Answer 2

El Niño = the boy, La Niña = the girl. You can tell from the ending and the first word.