Which term refers to markings on a map that run in a north and south direction and measure distance east and west of the prime meridian?

a. parallels

b. lines of latitude

c. elevations

d. lines of longitude

The country in the world with the largest population is_?

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.

5. what is a red giant? can our sun become a red giant? why or why not?