Compare the properties of the gas giant planets as a group with properties of earth

The planets Venus, Earth, Venus, and Mars, are viewed as earthbound planets. Jupiter, Neptune, Saturn,  and Uranus are a piece of the gas monsters gathering. One contrast is that gas goliaths are comprised of hydrogen and helium and the earthly planets are comprised of carbon dioxide.

Yes he thought they should be left to chance why, because he thought that was the best thing to do

Electrons are transferred to ferredoxin.