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What are three factors that can change the speed and pressure of air flow?
1) Weather and precipitations 2) Altitude 3) Air Temperature
What causes the air pollution of southwest asia?
Sometimes oil spills can cause pollution.
What are the three characteristics of air?
pressure space and weight
What lighter than air gas was once used to power airships in cause the Hindenburg disaster?
The gas was Hydrogen.
What were catapults used for?
For flinging boulders high into the air and into walls or buildings to destroy them. It was also launched on infantry sometimes. The idea seems simple, but the mechanisms that make the machine work are very complex. People have had a hard time making Lego models of them!
Four mechanisms that cause air to rise on a regional are?
Orographic lifting
What things can effect air to rise?
Heat can cause air to rise :)
What are the 4 lifting mechanisms to make air rise?
The 4 lifting mechanisms that make air rise are orographic lifting (when air is forced upward by a mountain or slope), frontal lifting (when warmer, less dense air is forced over cooler, denser air), convergence lifting (when air flows together and is forced to rise) and convectional lifting (when air is heated and rises due to its reduced density).
What are the three main atmospheric lifting mechanisms?
Orthographic Lifting- air is forced to rise over a mountainous area Frontal wedging- warmer, less dense air is forced over cooler, denser air Convergence- a pile-up of horizontal air flow results in upward movement
What are three lifting mechanisms for air?
Three lifting mechanisms for air are thermal lifting, dynamic lifting, and convergence lifting. Thermal lifting occurs when air near the ground is heated and rises. Dynamic lifting occurs when air is forced upward due to the movement of weather systems. Convergence lifting occurs when air flows together at the surface and is forced to rise.
What three things cause air to rise upward?
Heating of the air by the Earth's surface, leading to a decrease in density and causing it to rise. Convergence of air masses where air is forced to rise to fill the resulting low-pressure area. Orographic lifting, when air is forced upward as it encounters a barrier like a mountain range.
What are the three airstream mechanisms that are used to produce sounds?
The three airstream mechanisms are egressive (air moves outwards), ingressive (air moves inwards), and pulmonic (airflow generated by the lungs). These mechanisms are used to produce sounds in human speech and in various musical instruments.
Which one of the following situations would cause air pressure to rise an increase in temperature cold air entering the region moisture entering the air?
An increase in temperature would cause air pressure to rise. As air warms, its molecules gain more kinetic energy and spread further apart, leading to an increase in pressure. Cold air entering a region or moisture entering the air would not directly cause air pressure to rise.
What situations would cause air pressure to rise?
Air pressure begins to rise in a situation where there is a change in the temperature, especially when there is cold air hitting the ground. The rise in air pressure produces winds and different types of weather.
What makes the movement of air?
Differing air temperature causing cold air to sink, and warm air to rise is the main cause of air movement.
An increase in air pressure will cause the mercury in a barometer to?
When you increase air pressure the mercury in a barometer will rise. Conversely when air pressure decreases the mercury in a barometer will drop.
How do differences in air pressure cause smoke to rise up a chimney?
Differences in air pressure cause air to flow from areas of high pressure to low pressure. In a chimney, the warm air from the fire creates a lower pressure inside the chimney relative to the outside, causing the smoke to rise up and out of the chimney.
