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The sun, originally, but the sun actually heats the earth, and warm air rises from the surface of the earth and is trapped by greenhouse gases in the atmosphere. This is mostly how the air gets warm.
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∙ 10y ago
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∙ 11y agoDuring the day the sun heats the earth's surface, which in turn heats the air. These warm air currents can then move into other areas.
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∙ 13y agoSuns radiation heats up the troposphere that radiates heat from the ground level to heat up the atmosphere enclosed in a carbon blanket with greenhouse effect to heat the atmosphere.
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∙ 15y agoseveral ways i.e. convection, conduction etc., but in general the air molecules are accelerated by high energy "heat" and they move more quickly.
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∙ 8y agothe sun's energy illuminates the earth's atmosphere, which warms up the heat
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∙ 11y agoTemperature goes up.
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∙ 12y agoThe sun heats the Earth unevenly
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∙ 15y agosun
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How do Gas Fireplaces work to heat homes?
In additional to radiating heat into the room many gas fireplaces have a heat exchanger- cool air is drawn into the shell around the firebox, and warmed air comes out of the vents at the top.
How do convection uplift occurs?
A parcel of air is uplifted when it initially gains heat from the surface causing convective uplift.When the air is warmed by the surface it will expand and become less dense relative to air that surrounds it. - See more at: http://www.chacha.com/question/can-you-briefly-describe-how-convective-uplift-occurs#sthash.JinBHwPh.dpuf
Water from a natural hot spring is warmed by what inside the earth?
It is warmed by geothermal energy which is created by RADIOACTIVE DECAY http://en.wikipedia.org/wiki/Geothermal_(geology)
What is Convectional Precipitation?
Convectional rainfall occurs as a result of one of the three mechanisms that produce rain. When a fluid, such as air, is warmed from the bottom, for instance by earth warmed by sunlight, the lighter air rises drawing cooler air in underneath it. This sets up a so-called convectional flow. If the air near the ground is moist then when the it rises it will form clouds whose droplets coalesce to form convectional rain.
How does air conditioning alter the relative humidity of a room?
Air conditioners use a process called refrigeration, and take advantage of the physical principal in which converstion of air(a gas) to liquid (water), heat is absorbed. Air conditioners use this law by using metal coils filled with refrigerants (chemicals with cooling properties) and fans to blow air across the coils repeatedly, to cause evaporation and condensation of the moisture in the air. The refrigerant absorbs the heat that is produced, and high pressure within the coils is used to pump the warmed coolant and dispose of the excess heat that is produced. The system will have to run at a certain level of efficiency to be effective at cooling the interior air. Overall this process causes the interior air to become cooler, and releases water as a byproduct, therefore reducing the humidity of air in a room.
Where is inhaled air moistened and warmed?
Inhaled air is warmed and moistened in the nasopharynx and oropharynx.
How does air is warmed?
in the night
What does the air in the troposphere do when it is warmed by the land?
warms the air
What happens to the air at night?
what happens to air when it touches the warmed air
Does air expand when its warmed?
yes it does.
When air in the atmosphere is warmed air pressure?
Warm front
When air and atmosphere is warmed what does air pressure do?
decreases i think
When the air in the air the atmosphere is unevenly warmed by the suns wind current?
energyenergy
Air in the what is warmed by heat from the earths surface?
troposphere
Where is air warmed and cooled in the human body?
in the esophagus.___.
When in a cycle in which air is warmed warm air rises is cooled and cooled air sinks is a what?
whay is it
What happens to air as it passes through the respiratory system?
air is filtered, warmed, and moistened.
