Jet streams form a. at the top of a single convection cell b. at the bottom of a single convection cell c. between the tops of two convection cells d. between the bottoms of two convection cells

Between the bottoms of two convection cells

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast. 

Except common history