Green Forest High School is a comprehensive four-year public secondary school in Green Forest, Arkansas , United States . It is one of ten public high schools in Carroll County and the sole high school administered by the Green Forest School District .
Air is mainly composed of nitrogen, oxygen, and argon, which together constitute the major gases of the atmosphere. Water vapor accounts for roughly 0.25% of the atmosphere by mass.he atmosphere of Earth is the layer of gases surrounding the planet Earth that is retained by Earth's gravity.
The atmosphere is composed of a mix of several different gases in differing amounts. The permanent gases whose percentages do not change from day to day are nitrogen, oxygen and argon. Nitrogen accounts for 78% of the atmosphere, oxygen 21% and argon 0.9%.omposition of the Atmosphere extended definition. The atmosphere contains many gases, most in small amounts, including some pollutants and greenhouse gases. The most abundant gas in the atmosphere is nitrogen, with oxygen second.