Your answer should be C. Lead. Hope this helped!
Hey friend!
You stuck?
There are two inner planets that have no moon. Mercury, and Venus. Only Mercury has hardly any atmosphere. Therefore, Planet A is Mercury. Venus which is composed primarily of carbon dioxide with a small amount of nitrogen is considered a planet with a dense atmosphere. Therefore, Planet B is Venus.
Hope this helps! {Don't forget Brainliest!} :)
