Suppose you found an igneous rock that has almost even amounts of silica iron and magnesium. how would you classify this rock?

What is the reason for the “scramble for africa”?

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.

The position on the earth in which a place can be found