Which of these is the largest? a) asteroids b) comets c) meteoroids d) all are the same size

The answer to your question is

A-asteroids

because

most asteroids are in the asteroid belt, and the largest asteroid is Ceres, which is 583 miles across, still holding the record.

Hope this helps you!

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.