Sentences with phrase «ultraviolet radiation shield»

You tell me what business, what economy, what country can operate without air, water, food, energy, material, climate control regulation, an ultraviolet radiation shield, pollination, seed dispersal, water purification and distribution through the hydrological cycle, flood control, and insect control.

Not exact matches

And if the ozone layer of the upper atmosphere were thinner it would be ineffective in shielding ultraviolet radiation and life would not be possible.
And while ozone high in the atmosphere helps shield Earth from the sun's ultraviolet radiation, at ground level, it mixes with fine particulates to form breath - choking smog.
And ozone, which forms a beneficial shield against ultraviolet radiation when high in the stratosphere, is an efficient greenhouse gas when it appears at airliner altitudes — as it increasingly does, since it too is a by - product of fossil fuel burning.
The ozone layer helps shield Earth from potentially harmful ultraviolet radiation that can cause skin cancer, cataracts, and suppress immune systems, as well as damage plants.
Ozone in the upper atmosphere normally forms a protective layer that shields us from the sun's ultraviolet radiation.
However, Sagan and Christopher Chyba believe organic compounds, formed at high altitudes by the action of solar ultraviolet radiation on methane and ammonia can provide an ultraviolet «shield» to protect the methane and ammonia in the lower atmosphere.
The ozone layer helps shield life on the planet from potentially harmful ultraviolet radiation that can cause skin cancer, cataracts, and suppress immune systems, as well as damage plant life.
It forms a natural shield that absorbs the sun's ultraviolet radiation and helps keep the Earth hospitable.
Early Earth lacked an ozone layer to act as a shield against high - energy solar radiation, but microbes flourished by adapting to or finding other forms of protection from the higher ultraviolet radiation levels.
Absorption of solar radiation by ozone shields the terrestrial surface from harmful ultraviolet light and warms the stratosphere, producing maximum temperatures of − 15 to 10 °C (5 to 50 °F) at an altitude of 50 km (30 miles).
Ozone is a molecule made up of three oxygen atoms, and the ozone layer, which stretches from heights of 12 to 19 miles (20 to 30 kilometers) above the Earth's surface, protects life on Earth by shielding it from ultraviolet (UV) radiation.
Repairs to the ozone layer — an invisible shield against dangerous ultraviolet radiation — would be slowed.
Ozone Layer A layer of ozone gas in the stratosphere that shields the Earth from most of the harmful ultraviolet radiation coming from the Sun.
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