What are 4 things the atmosphere?
The atmosphere, or air, is made up of nitrogen, oxygen, argon, carbon dioxide, water vapor and other small amounts of various gases.
What are 5 things in the atmosphere?
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.
What is the coldest layer of atmosphere?
the mesosphere
Located between about 50 and 80 kilometers (31 and 50 miles) above Earth’s surface, the mesosphere gets progressively colder with altitude. In fact, the top of this layer is the coldest place found within the Earth system, with an average temperature of about minus 85 degrees Celsius (minus 120 degrees Fahrenheit).
What was the first layer on Earth?
Starting at the center, Earth is composed of four distinct layers. They are, from deepest to shallowest, the inner core, the outer core, the mantle, and the crust. The topmost layer is the crust.
What does the atmosphere protect us from?
The atmosphere surrounds Earth and protects us by blocking out dangerous rays from the sun. The atmosphere is a mixture of gases that becomes thinner until it gradually reaches space.
What does our atmosphere do?
Atmosphere provides us oxygen to breathe, without the oxygen, our bodies wouldn’t keep working. Oxygen also helps to keep in life the animals, plants and other organisms. Atmosphere is our radiation shield; it helps to protect us from the ultraviolet radiation from the Sun.
How many feet of atmosphere does Earth have?
The atmosphere of the Earth can be divided into five layers. The bottom layer is where we live it’s called the troposphere. It begins at the surface of the earth and goes up from there to about 23,000 feet (7 km) at the poles or 56,000 feet (17 km) at the equator.
What is the composition of air?
Composition of Air. The composition of the atmosphere air comprises four major gases, namely nitrogen, oxygen, argon, and carbon dioxide.