List important characteristics for each inner planet.

Asked by Dr. John Carmen on 10 Jan 07:04

Last updated by anonymous on 11 Jan 17:33

Answered by Dr. John Carmen on 11 Jan 17:33

Mercury: no atmosphere, lots of craters, high cliffs

Venus; carbon dioxide atmosphere, sufuric acid clouds, high temps

Earth: abundant surface water, life exists

Mars: polar caps, reddish surface, lots of volcanoes