Admin What three things are found in the troposphere?
The troposphere is made up of approximately 78% nitrogen, 21% oxygen, and 1% other gases, which include carbon dioxide, methane, neon, krypton, argon, helium, and hydrogen. The troposphere contains approximately 99% of the water vapour in the earth’s entire atmosphere.
What are the gases found in the mesosphere?
The mesosphere is chemically composed of the same components as the troposphere, among them we can mention nitrogen and oxygen, which are very important for life. It also has the presence of important gases such as ozone. Here, ozone and water vapor concentrations are practically zero.
What is the weather like in the mesosphere?
The top of the mesosphere is the coldest part of the atmosphere. It can get down to -90° C (-130° F) there! As you go higher in the mesosphere, the air gets colder.
How does the mesosphere protect us?
Mesosphere is the region where most of the meteors and asteroids burn up before they are able to reach the earth’s surface. We know that the stratospheric ozone layer protecting us from harmful solar radiations (UV radiations). Similarly, mesosphere also protecting us from harmful solar radiations.
What are three characteristic of the stratosphere?
Stratosphere – Definition and Characteristics Height. It extends up to a height of 10 to 50 km. Temperature Inversion. The lower layers of the stratosphere are colder & as we move upwards, the upper layers become hotter. Calm & stable layer. Suitable for flying aircraft. The flow of jet streams. Region of ozone formation.
What does the Stratosphere do for the Earth?
Stratosphere’s function. The main function of the stratosphere lies in the different molecules of ozone and oxygen found in it. These absorb the ultraviolet light from the sun, providing the earth with a shield that prevents this radiation from reaching the surface, causing serious damage.
What things are found in the stratosphere?
The word ‘stratosphere’ is derived from the word ‘strato’ meaning layer, and ‘sphere’ which is earth’s shape. The stratosphere accounts for approximately 24% of the earth’s total atmosphere. The stratosphere contains approximately 19% of the earth’s total atmospheric gases. 90% of the ozone layer is found in the stratosphere’s upper crust.