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The greenhouse effect
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What volcanic process formed Earth's atmosphere?
Volcanoes expel gases with chemical compositions which closely match the ratios of non-photosynthetic gases in air.
Once heat from the Sun penetrates the Earth's atmosphere the heat is circulated as warm air rises and cold air sinks. What is this process called?
RADIATION
Do greenhouse gases warm the air near earth's surface by trapping carbon dioxide?
No, greenhouse gases warm the air near the earth's surface by trapping heat from the warm earth that would otherwise escape into space.
What is the concentration of greenhouse gases in the air?
The concentration of greenhouse gases in the air, largely water vapor, carbon dioxide and methane, are causing an enhanced greenhouse effect which is global warming.The amounts of greenhouse gases in the air are:5% Water Vapor0.039% CO2Trace (less then 0.001%) small amounts of other gases (methane, nitrous oxide etc)Water vapor absorbs heat like other greenhouse gases.
What would happen if greenhouse gases increased?
The air will turn warmer, because if greenhouse gases increase (which they are), less heat energy will be able to leave Earth, so the temperature rises.
What is the process that changes liquid to gases?
Increased temperature (the application of heat), lower air pressure, and evaporation.
What are everyday examples of adiabatic process?
Air is made up of a mixture of gases that is subject to adiabatic heating when it is compressed and adiabatic cooling when it is expanded.
What is the difference between heat and air?
heat is hot, air is cold Heat and air differ in every respect; heat is a form of energy that is transferred by a difference in temperature, and air is a mixture of gases.
How do you separate gases the air?
The best process for the separation of components of air is fractional distillation of air. The process includes the liquefaction of air first and then distillation of various fractions on the basis of different boiling points. By using this process, all the components of air can be separated out.
What does an increase of carbon dioxide in the atmosphere mean?
It means there is more greenhouse gases in the air. Greenhouse gases absorb and hold the sun's heat. So an increase means that the atmosphere gets warmer, globally (global warming).
Process of ventilation?
Ventilation refers to the replacement of stale air with fresh air. This process involves the use of a vent to air out noxious gases such as fumes and smoke, and then letting in fresh air.
Two reasons why the process of canning food kills microbes?
Because of the heat used to can the food.
How is air cooled by air conditioner?
by the process of heat transfer.freon in air conditioner absorbs heat from air,as boiling point of freon is too low.thus air cools
What two types of heat are removed by evaporator coil in the air conditioning process?
Sensbile Heat & Latent Heat
Is air heat energy and sound a form of matter?
Air is a form of matter (composed of different gases, which are forms of matter). Heat, energy, and sound are all forms of energy, not matter.
Why do some planets have no air?
Mercury is too small and hot to have any air. The gravitational pull is too weak to hold an atmosphere and the planet is so close to the sun, that the sun's heat would burn off any gas and cause it to evaporate. Mars is probably too small to have enough of a gravitational field to hold an atmosphere. Planets farther from the sun than Mars are probably too cold, and do not get enough heat for their gases to make up an atmosphere, so their gases are in frozen, solid state.
What are the properties of compressed air.can it hold more heat when air passed through a heat exchanger?
Yes
