Differentiate normal rain from acid rain. Describe the way each affects the weathering of rock. please I need this answer fast

What can you guys tell me aboutyellow journalism and the u.s. involvement in the spanish-american war.

:calculate the sum of the interior angles of a 13-sided polygon.

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.