Granite is found in continental crust formed from contact metamorphism a chemical sedimentary rock an extrusive igneous rock

Granite is "an extrusive igneous rock." Igneous rocks are formed from the cooled lava that is flown after a volcanic eruption. When lava is cooled, it is turned to rock. Since the cooling take sometime, there are crystals that developed over time. This is the reason why you can big crystals to granite.

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. 

Answer they are produced by collision of tectonic plates;