Where can you see lines of latitude and longitude? select one: a. on maps only b. at the equator and the north and south poles c. at the bottom of the ocean

Its easy latitudes and longitudes(cordinates) are just imaginary lines so 
therefore only on maps and globes

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.