The El Niño-Southern Oscillation, Which Occurs Every 2 to 10

Multiple Choice

The El Niño-Southern Oscillation, which occurs every 2 to 10 years, alters weather patterns in many parts of the world. Why does it have this effect?

A) This cycle results in the development of a countercurrent.
B) This cycle results in a reduction of current speeds.
C) This cycle results in decreased salinity of the oceans.
D) This cycle results in the development of more ice.