Given that D is the midpoint of AB and K is the midpoint of BC, which statement must be true?

The largest internal organ in the frog is the

Where is the vascular system located

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.