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 Earth's atmosphere has remained much the same for the past 200 million years. The pie chart shows the proportions of the main gases in the atmosphere. It is clear that the main gas is nitrogen. Oxygen - the gas that allows animals and plants to respire, and fuels to burn - is the next most abundant gas. These two gases are both elements and account for about 99% of the gases in the atmosphere.