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What may happen if you continue to use CFCs and release them into the atmosphere?
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How are cfcs released?
CFCs or chlorofluorocarbons are released when a device that holds it is leaking. Also some aerosols release CFCs into the atmosphere.
Release of CFCs and similar compounds are a possible cause of -?
"destruction of ozone in the upper atmosphere"
What substitutes for CFCs came into being after scientists discovered that CFCs were harming the atmosphere?
Replacements for CFCs (dependding on use) included:HCFCsNitrogenAirPropane
What are release of CFCs and similar compounds a cause of?
Destruction of ozone in the upper atmosphere
What is the protective layer of the atmosphere destroyed by CFCs?
ozone
What kind of effect do CFCs - chlorofluorocarbons - have on the atmosphere?
CFCs (chlorofluorocarbons) destroy the ozone layer allowing harmful radiation to reach the earth.
How do human activities contribute CFC's to the atmosphere?
humans use products containing CFCs which accumulate in the atmosphere.
Humans have greatly increased the level of what in the atmosphere?
carbon dioxide
How do you CFCs illustrate that technical knowledge can be a double edged sword?
1. CFCs help in refrigeration but destroy the ozone layer when released into the atmosphere
How are cfcs in the upper atmosphere related to the ozone layer?
They are carried by westerlies. They destroy the ozone.
What is the strongest evidence that cfcs are in the stratosphere?
Satellite measurements of light passing through the atmosphere
What effect do CFCs have on the Earth's stratosphere?
CFCs (Chlorofluorocarbons)What type of substance is it?CFCs are a class of man-made chemicals, generally non-toxic, non-flammable, chemically unreactive, colourless liquids or gases that evaporate easily. They are a group of ozone depleting substances. They damage the Earth's ozone layer, which protects the earth's surface from harmful ultra-violet radiation. CFCs are also powerful greenhouse gases which contribute to global warming.How is it released?Release to the atmosphere is primarily from CFC-containing aerosols, refrigeration equipment and some foams. There are no natural sources of CFCs.
