Lava and other materials that are launched from a volcano into the air are referred to as

The red square is a famous historical site that is located in

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.

What was the great rift valley formed by