Nitrogen and oxygen are two gases that make up the majority of Earth’s atmosphere, and they appear in Mercury’s as well. The abundance of nitrogen is 2.7 percent of Mercury’s air, and oxygen accounts for 0.13
chemical processing, and incineration may all produce direct exposure to, and inhalation of, dangerous substances. One such common hazard is exposure to lead and other toxic metals. Another example of hazardous substance encountered in electronic recycling is mercury, which can be a dangerous neurotoxi...
Also, Mercury has no moons but is a fully-fledged planet like Earth. All the gas planets, including Jupiter and Neptune, have rings of dust. Jupiter's and Neptune's rings are not as big as those of Saturn and Uranus. 4 A planet does not have to have an atmosphere, but all the ...