Ryan read 145 pages of his book. if he read 29 pages every night, how many nights take him to complete the book?

Why the moon is not visible from earth during the new moon ?

Which of the following is evidence to the past existence of glaciers?

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.