Mixed

What is the percentage of oxygen by volume in the atmosphere?

What is the percentage of oxygen by volume in the atmosphere?

21 percent
Air is mostly gas The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

What is the amount of argon in the atmosphere?

0.9 percent
Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.

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How does an atmosphere affect the surface of a planet and the ability of life to exist?

The fact that the atmosphere exists means that the Earth has air pressure (otherwise the planet would be in a vacuum) and also have the gases necessary for life to exist on Earth (oxygen and carbon dioxide).

What’s in the air we breathe?

Molecules in the air include primarily nitrogen and oxygen as well as water, carbon dioxide, ozone, and many other compounds in trace amounts, some created naturally, others the result of human activity. In addition to gases, the atmosphere contains extras such as smoke, dust, acid droplets, and pollen.

How do you find the volume of atmosphere?

Calculate air volume by using air change rate and example of use. The calculation of the required air volume requires the volume of the room, which derives from the formula room volume = length(m) x width(m) x height(m) and the purpose of the room that indicates the air change rate (ACH).

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What is the total volume of water on Earth?

The volume of all water would be about 332.5 million cubic miles (mi3), or 1,386 million cubic kilometers (km3). A cubic mile of water equals more than 1.1 trillion gallons. A cubic kilometer of water equals about 264 billion gallons (1 trillion liters).

What happens if you breathe argon?

Inhalation: This gas is inert and is classified as a simple asphyxiant. Inhalation in excessive concentrations can result in dizziness, nausea, vomiting, loss of consciousness, and death. Death may result from errors in judgment, confusion, or loss of consciousness which prevent self-rescue.

How does the atmosphere affect Earth’s surface?

Not only does it contain the oxygen we need to live, but it also protects us from harmful ultraviolet solar radiation. It creates the pressure without which liquid water couldn’t exist on our planet’s surface. And it warms our planet and keeps temperatures habitable for our living Earth.

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How does Earth’s atmosphere affect the planet?

The atmosphere protects life on earth by shielding it from incoming ultraviolet (UV) radiation, keeping the planet warm through insulation, and preventing extremes between day and night temperatures. The sun heats layers of the atmosphere causing it to convect driving air movement and weather patterns around the world.