The angle of elevation to the top of the empire state building in new york is found to be 11 degrees from the ground at a distance of 1 mile from the base of the building. using this information find the height of the empire state building in feet.

The point where two air masses meet is called a

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 process by which liquid water changes into water vapour is called what ?