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The concentration of CFC's in atmosphere is too high. They have been accumulating.
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∙ 9y ago
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What substitutes for CFCs came into being after scientists discovered that CFCs were harming the atmosphere?
Replacements for CFCs (dependding on use) included:HCFCsNitrogenAirPropane
How do human activities contribute CFC's to the atmosphere?
humans use products containing CFCs which accumulate in the atmosphere.
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
What is the strongest evidence that cfcs are in the stratosphere?
Satellite measurements of light passing through the atmosphere
How can an increase in the atmospheric concentration of greenhouse gases such as CO2 methane water vapor and CFCs impact the global climate?
Because greenhouse gases capture heat rising from the surface of the earth and keep it in the atmosphere. The warmer atmosphere keeps the earth warmer and the heat is extra energy which affects the climate.
What substitutes for CFCs came into being after scientists discovered that CFCs were harming the atmosphere?
Replacements for CFCs (dependding on use) included:HCFCsNitrogenAirPropane
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.
What is the protective layer of the atmosphere destroyed by CFCs?
ozone
Are humans responsible for the depletion of the ozone layer?
Yes. People developed chemicals such as CFCs (Chlorofluorocarbons) for use in refrigerators and as a propellant gas in aerosols. These CFCs rose high into the atmosphere and caused damage to the ozone layer. the use of CFCs has since been banned and the ozone layer is slowly recovering. Hopefully.
What kind of effect do CFCs - chlorofluorocarbons - have on the atmosphere?
CFCs (chlorofluorocarbons) destroy the ozone layer allowing harmful radiation to reach the earth.
What gas is present in the atmosphere of venus that explain its high surface temperature?
high concentration of carbon dioxide
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
What layer of the earths atmosphere is a high concentration of gas that shares the same name?
The ozone layer.
Oxygen debt in muscles may develop because of?
too high a concentration of oxygen in the atmosphere
Is the atmosphere thin over Antarctica?
No. Atmospheric pressure in Antarctica is about the same as it is anywhere else. Air density is actually greater than it is on most places because it is cold. However, the concentration of ozone in the stratosphere is much less over Antarctica. This is because the dynamics of the atmosphere concentrate man-made compounds called chlorofluorocarbons (CFCs) there. The CFCs act as catalysts that break down ozone into diatomic oxygen (O2).
