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Does the density of the earths atmosphere increase with altitude or decrease?
The density of Earth's atmosphere decreases with altitude. As you move higher up in the atmosphere, there are fewer molecules of gases present, leading to lower density.
Why evaporation happens at the surface?
When water molecules at the surface gain sufficient energy they can escape in the atmosphere. Evaporation (not vaporization) occur at any temperature; a higher temperature increase the rate of evaporation. The energy of water molecules increase by a temperature increase and some molecules at the surface can escape in the atmosphere.
What happens when higher energy UV radiations act on the oxygen at the higher level of the atmosphere?
ozone layer prevents harmful UV radiations to reach earth's atmosphere. ozone is formed at the higher level of atmosphere by the action of UV radiation on molecule. High energy UV radiations split apart some oxygen molecules into atomic oxygen which react with molecular oxygen to form ozone molecules.
What layer of the atmosphere has the highest density of gas molecules?
The troposphere, the lowest layer of the atmosphere, has the highest density of gas molecules. As you move higher into the atmosphere, such as into the stratosphere or mesosphere, the density of gas molecules decreases.
What happens to air pressure as you move higher above earths surface?
The air is thinner the higher you go.
What happens to the air pressures as altitude increases?
As altitude increases, air pressure decreases. Gravity causes the atmosphere to become heavier the closer you are to the ground. The atmosphere may seem weightless but all the air molecules add up to a tremendous amount of mass. If you think of the atmosphere like blankets, the more blankets you have piled on you the heavier they become, thus pressing down on your body more and more. This is the same in the atmosphere, where the higher the altitude, the less overlying atmosphere, the less pressure on air molecules. At higher altitudes the air molecules have more freedom to move around.
How are gas molecules distributed throughout the layers of earths atmosphere?
Gas molecules in Earth's atmosphere are more concentrated near the surface and become less dense as altitude increases. The distribution is governed by gravity, with heavier gases concentrated at lower altitudes and lighter gases found at higher altitudes. This creates layers within the atmosphere, such as the troposphere (where most weather occurs) and the stratosphere (where the ozone layer is located).
As you get higher in the atmosphere does the temperature increase or decrease?
As you go higher in the atmosphere, the temperature generally decreases. This is because the atmosphere becomes less dense and there are fewer molecules to retain heat.
Which molecules are least likely to escape from earths atmosphere?
Heavier molecules like oxygen (O2) and nitrogen (N2) are less likely to escape Earth's atmosphere compared to lighter molecules like helium or hydrogen due to their higher mass and stronger gravitational pull. Additionally, molecules that are chemically bound in compounds like water vapor (H2O) or carbon dioxide (CO2) are also less likely to escape.
What is molecules closer to the surface that are more densely packed than those higher in the atmosphere because of gases pressing down from higher in the atmosphere?
Atmospheric pressure
What happens too air density as you go upin layers of the atmosphere?
Air density decreases as you go higher up in the layers of the atmosphere. This is because the pressure decreases with altitude, causing the air molecules to spread out, resulting in lower density.
What happens to the density of the atmosphere as height increases?
As height increases, the density of the atmosphere decreases. This is because there is less air above pushing down, leading to lower pressure and fewer air molecules per unit volume at higher altitudes.
