Seventy-five percent of vanilla on the market today is derived from vanilla plants in Madagascar and RÃ©union. It is commonly known as Bourbon vanilla, named for the island RÃ©union, which was formally named Ãle Bourbon.
Mars has a very thin atmosphere that is made mostly of carbon dioxide. About 95% of Mars' atmosphere is made of CO2. There are only traces of the other gasses in its atmospher â¦ e like nitrogen and carbon monoxide.  It's atmospheric pressure is 7-9 milibars, depending on the season.
Venusâ atmosphere is much thicker than Earthâs, preventing a clear view of the planet. Its atmosphere is dominated by carbon dioxide, and features swirling clouds of sulfuric acid. The atmosphere on Mars is also dominated by carbon dioxide, although unlike Venus, it is quite thin. Gas giants are composed of gases.