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2006-06-15 14:30:16 · 17 answers · asked by Anonymous in Environment

17 answers

Ozone is a form of oxygen that is present in tiny amounts in the lower atmosphere, but relatively concentrated in the upper atmosphere. Here it forms the ozone layer. The ozone layer in the upper atmosphere forms a protective shield around earth, absorbing harmful UV (ultraviolet) radiation from the sun. Without this layer, life forms that would otherwise have been killed by too much UV radiation survived and evolved.

Hope this helps :)

2006-06-22 02:09:05 · answer #1 · answered by Unknown Darkness™ 7 · 0 0

The ozone layer is a layer of our atmosphere that surrounds the Earth and protects us from harmful ultraviolet (UV) radiation from the sun. The ozone layer is composed mostly of O3, a form of oxygen. The ozone layer absorbs most of the sun's UV rays, preventing global warming and melting of the ice caps.
In recent times, however, a giant hole has developed in the ozone layer region over the North Pole. This hole is a result of the release of chlorofluorocarbons (CFCs) and other harmful chemicals into the atmosphere. This giant hole allows more UV rays to penetrate the Earth's surface, causing a great rise in ocean temperatures (which spawned the record-breaking Atlantic Hurricane Season of 2005). As a result of this global warming, the ice caps at the North Pole have started to melt. If this continues, there will be a dramatic rise in sea levels, causing flooding of low-lying areas, such as Florida, where I live.
Hope this helps!!

2006-06-15 21:55:36 · answer #2 · answered by allstargurl522 3 · 0 0

The ozone layer, or ozonosphere layer (rarely used term), is that part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the concentrations in the lower atmosphere but still small compared to the main components of the atmosphere. The ozone layer was discovered in 1913 by the French physicists Charles Fabry and Henri Buisson. Its properties were explored in detail by the British meteorologist G. M. B. Dobson, who developed a simple spectrophotometer that could be used to measure stratospheric ozone from the ground. Between 1928 and 1958 Dobson established a worldwide network of ozone monitoring stations which continues to operate today. The "Dobson unit", a convenient measure of the total amount of ozone in a column overhead, is named in his honor.

2006-06-16 08:37:36 · answer #3 · answered by Anonymous · 0 0

In the upper atmosphere at 30-40 miles up, there is a thin band of ozone gas in the atmosphere. This gas is destroyed and re-created by UV radiation. When 184nm UV photons hit oxygen, they create ozone. Whe 254nm UV photons hit ozone, they convert it back to oxygen. Therefore this process is cyclic. However, with all that UV radiation being used to make ozone or destroy it, this ozone layer basically attenuates or stops a lot of harmful UV radiation from hitting us on the ground.

The big controversy is that freon (clorofluorcarbons) destroys ozone, but does nothing to help replenish it. Therefore, the ozone layer thins and more UV radiation makes it to the ground to give us lovely things like severe sunburns and eventually skin cancer.

2006-06-15 21:36:41 · answer #4 · answered by cat_lover 4 · 0 0

A region of the upper atmosphere, between about 15 and 30 kilometers (10 and 20 miles) in altitude, containing a relatively high concentration of ozone that absorbs solar ultraviolet radiation in a wavelength range not screened by other atmospheric components. Also called ozonosphere .

2006-06-18 18:21:35 · answer #5 · answered by Professor Armitage 7 · 0 0

The ozone layer, or ozonosphere layer (rarely used term), is that part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the concentrations in the lower atmosphere but still small compared to the main components of the atmosphere.

2006-06-15 21:34:25 · answer #6 · answered by FnK 3 · 0 0

The protective layer in the atmosphere, about 1 5 miles above the ground, that absorbs some of the sun's ultraviolet rays, thereby reducing the amount of potentially harmful radiation that reaches the earth's surface.

2006-06-16 05:18:09 · answer #7 · answered by Anonymous · 0 0

It's a layer with O3 particles that blocks the Sun's deadly UV rays.

2006-06-15 21:36:42 · answer #8 · answered by Science_Guy 4 · 0 0

the ozon layer is layer in the earth atmospher it is located at stratospher it is consisties of 3 atomes of oxygen it is very important to our live coz i absorbs the harmful radiation so that we can live safly

2006-06-16 00:40:45 · answer #9 · answered by what ever ? 2 · 0 0

It is one of the layers that covers the planet and protects it from the sun. It´s breaking because of the contamination.

2006-06-15 21:47:32 · answer #10 · answered by bluepink_9 1 · 0 0

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