Yes. Venus has a very dense atmosphere composed primarily of carbon dioxide.
Venus is the second planet from the sun. It is very hot there because of greenhouse gases.
Venus
Because of the thick gases.
carbon dioxide and nitrogen
That would be Venus.
Scientists do not believe that any planet ever crashed into Venus.
No, Venus does not have any moons or rings.
Venus, the 2nd planet from the sun, does not have any moons.
Venus rotates on its axis slower than any other planet.
Presuming you mean which planet has carbon dioxide as the primary component of its atmosphere, and features clouds of sulfur dioxide (or sulfuric acid), which would be Venus, second planet from the Sun (the next innermost planet from the sun compared with earth).
No
Venus rotates on its axis slower than any other planet.