Earth is the only planet in the solar system with an atmosphere that can sustain life. The blanket of gases not only contains the air that we. The three major constituents of Earth's atmosphere are nitrogen, oxygen, and argon. Water vapor accounts for roughly % of the. Let's take a look at the composition of the Earth's atmosphere. Of course, things haven't always been balanced they way they are today.
The composition of the atmosphere, among other things, determines its ability The atmosphere is concentrated at the earth's surface and rapidly thins as you. Learn about the composition and structure of Earth's atmosphere. Includes a discussion of the ways in which atmospheric temperature and pressure are. Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly Composition of Earth's atmosphere.
Earth's atmosphere is composed of about 78% nitrogen, 21% oxygen, and % argon. The remainder, less than %, contains such trace gases as water. Changes in Composition. Earth's primordial atmosphere was probably similar to the gas cloud that created the sun and planets. It consisted of hydrogen and. Table 1 lists the eleven most abundant gases found in the Earth's lower atmosphere by volume. Of the gases listed, nitrogen, oxygen, water vapor, carbon. From largest to smallest, Earth's atmosphere composition contains nitrogen, oxygen, argon, CO2 and trace gases. Water vapor is excluded from.