The stratosphere
The ionosphere layer of the atmosphere is where reflection of waves for worldwide radio communications takes place. This layer is able to reflect radio waves back to Earth, allowing for long distance communication via the ionosphere's ionized particles.
In the troposphere (the layer of the earth that we live in), the temperature decreases with increasing height. The troposphere contains approximately 80% of the atmosphere's mass and 99% of its water vapour and aerosols.As you increase height, you reach areas of the atmosphere that have fewer and fewer air molecules (which means the air is less dense) because gravity is keeping the majority of air molecules closer to the ground. So, at higher altitudes, the air is less able to store heat.
Most organisms are able to take oxygen from the atmosphere through respiration. Plants are able to take in carbon dioxide from the atmosphere during photosynthesis.
Oxygen in the atmosphere is important for life for two main reasons. First, oxygen makes up the ozone layer. The ozone layer is in the upper part of the atmosphere, and is made of O3 molecules-a particular type of oxygen molecule. It blocks harmful radiation from the sun and keeps it from reaching Earth's surface. Without an ozone layer, intense radiation from the sun reached the early Earth's surface, making life almost impossible. Secondly, oxygen in the atmosphere is necessary for animals, including humans, to breathe. No animals would have been able to breathe in Earth's early atmosphere.
Apparently it does, since we're able to see the sun and get around without flashlights in the daytime.
the stratosphere
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Advantage of aviation: Well, it shortens distances & travel times. Imaging not having an airplane? you wouldn't be able to travel to Europe Asia etc. You wouldn't be able to send packages to the other side of the word by next day delivery. Traveling in an airplane is by far the safest travel mean ever invented by man.
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The ionosphere is the layer of the atmosphere that reflects radio waves. This layer is able to reflect specific frequencies of radio waves back to Earth, allowing for long-distance communication using radio signals.
Jet planes typically operate in the lower to middle part of the stratosphere, at altitudes ranging from about 30,000 to 40,000 feet (approximately 9,000 to 12,000 meters). This layer is above the troposphere, where weather occurs, and provides a more stable atmosphere with less turbulence, allowing for efficient long-distance travel. Some specialized aircraft may even reach the lower levels of the mesosphere, but this is less common for commercial aviation.
Well to maintain the oxygen in the earth atmosphere you need to make sure that the level of global warming is decreasing and less fumes will be able to make up the ozone layer. With a thinner layer around the earth this means that oxygen will be able to enter and exit the earths surface, allowing oxygen to still stay in the atmosphere.
Ozone layer filers the UV rays.
they created the first flying airplane and without them, we would not be able to travel abroad in an efficient way.
Yes, sound can travel in the atmosphere of the moon, but it would be very different from sound travel on Earth due to the moon's thin atmosphere. Sound waves would propagate through the moon's atmosphere much slower and with less intensity than on Earth. Additionally, the lack of air molecules on the moon means that sound would not be able to travel very far.
The ionosphere layer of the atmosphere is where reflection of waves for worldwide radio communications takes place. This layer is able to reflect radio waves back to Earth, allowing for long distance communication via the ionosphere's ionized particles.
Since we have an atmosphere that is made up of 4 layers. One the most outer layer the thermosphere. Then the 3 most outer layer is the mesosphere. Next is the Stratosphere the third most outer layer. Last the closest layer the Troposphere which is where we all live.