Water freezing in the cracks of a rock can cause: O chemical weathering faulting erosion physical weathering

Freezing and thawing of water in cracks in the rock; Formation of salt crystals within the rock; Cracking from plant roots and exposure by burrowing animals.

Ithink it is space that makes up 70 percent

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.