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.
Mars still has an atmosphere, but its pressure is 100 times less than Earth's and it's almost entirely composed of CO 2 âabout the last thing we'd want to breathe. Venus has roughly the same concentration of CO 2 as Mars, yet its atmosphere went in precisely the opposite direction.