The greatest change occurs in off the coast of Peru between which two currents, once in every 6-8 years?

Peruvian and Southern Equatorial Currents

Equatorial and Southern Currents

The greatest change occurs in off the coast of Peru between which two

1.	The greatest change occurs in off the coast of Peru between which two currents, once in every 6-8 years?
A.	Peruvian and Southern Equatorial Currents
B.	Cold and Warm Currents
C.	Equatorial and Southern Currents
D.	All of these
Answer» B. Cold and Warm Currents