How can you distinguish between goods and services based on serparbility?

Blank is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

The african continent is home of the worlds largest desert and longest river . t or f

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.