The composition of air depends upon altitude.
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Change in volume - container getting bigger or smaller with same amount of air; Change in temperature - air gets hotter or colder causing it to expand or contract; Change in density - air is pumped into or out of a fixed container.
The velocity of sound in air is independent of changes in frequency. Sound waves travel at a constant speed determined by the properties of the medium they are traveling through, such as air temperature and pressure.
When the water vapor content of air is constant, a change in air temperature is known as an adiabatic process. In this context, the temperature change occurs without heat exchange with the surrounding environment, often seen in rising or descending air parcels. As air rises, it expands and cools; conversely, as it descends, it compresses and warms. This principle is crucial in meteorology for understanding cloud formation and atmospheric stability.
Humidity itself is not a physical change, but a physical property of the air that can change based on temperature and pressure. Humidity represents the amount of water vapor present in the air, and can vary without altering the composition of the air itself.
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Change in volume - container getting bigger or smaller with same amount of air; Change in temperature - air gets hotter or colder causing it to expand or contract; Change in density - air is pumped into or out of a fixed container.
Temperature in the atmosphere changes due to various factors, including solar radiation, altitude, and atmospheric composition. Solar radiation heats the Earth's surface, which in turn warms the air above it. Additionally, temperature typically decreases with altitude in the troposphere due to the decrease in pressure and density of air. Weather patterns, geographic features, and human activities also influence local and global temperature variations.
atmospheric temperature
The velocity of sound in air is independent of changes in frequency. Sound waves travel at a constant speed determined by the properties of the medium they are traveling through, such as air temperature and pressure.
Yes, liquefaction of air is a physical change because it does not involve any change in the chemical composition of the air molecules. It is a reversible process where the air transitions between gas and liquid states due to changes in temperature and pressure.
When the water vapor content of air is constant, a change in air temperature is known as an adiabatic process. In this context, the temperature change occurs without heat exchange with the surrounding environment, often seen in rising or descending air parcels. As air rises, it expands and cools; conversely, as it descends, it compresses and warms. This principle is crucial in meteorology for understanding cloud formation and atmospheric stability.
no
The composition is the same, the air is just less dense.
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It monitors the atmospheric (outside) temperature.
Temperature Inversion