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So they make air, and carbon dixodie so plants, animals, and humans can breath.
Liquids and gases can be categorized differently through many ways, specially through their partcile composition. Liquid particles are close together and pass pass each other easily. In the other hand, gas particles are well separated and have lots of free space to move at high speeds.
LPG stands for Liquid Propane Gas. The composition may vary, but the major component is Propane. There will be a mixture of other hydrocarbons in the gas but Propylene is likely to be the next most abundant.
Nitrogen 78%
nitrogen, oxygen, and other gases
Most of earth's atmosphere is in the lowest layer, the troposphere. Thus most of the gases are within 15 km of the Earth's surface.
The troposphere.
Troposphere is very important. It contains all the breathable gases.
About 90% of the atmospheric mass is in the troposphere. You can tell because 90% of the pressure increase occurs in the troposphere. Pressure goes from zero in space to 100 mb at the tropopause to 1000 mb at the surface.
Greenhouse gases extend very high. They extend in the troposphere.
The ozone layer contains the most molecules. They are present as ozone layer.
The troposphere is approximately 78% nitrogen and 20% oxygen. There is about 1% of Argon as well, an inert gas. The remainder is water vapor, trace gases, and particulates.
The lowest atmospheric layer that contains greenhouse gases is the troposphere
most gases
The layer that contains gases in distinct layer is troposphere. It is closest to earth.
The composition of a comet is frozen gases, dust, and rocks.