What is the dew point for the same air parcel which is at 32 degrees c and has 15 grams of water vapour per kilogram of dry air?

Idon't know. the question you are trying to ask doesn't make sense.

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. 

The answer to the question is moraine

Answerland;