Why do you think that many local religions declined in this Big Era, while Christianity, Islam, and Buddhism spread widely and attracted millions of new adherents?

They immigrated for religious freedom

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. 

Icant awnser the qustion bc u have the planets not listed

The answer is d., a mountain.