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3 years ago

How do CFC's damage the ozone layer?

Geography

2 answers:

Molodets [167]3 years ago

5 0

Answer:

The CFC’s damage the Ozone layer by breaking down the molecules that make up the Ozone layer.

Explanation:

The ultra-violet rays radiated by the sun react with the chlorofluorocarbons to release "free chlorine atoms" in the atmosphere.

These free chlorine atoms react with oxygen from the ozone to form diatomic or molecular oxygen. This process continues and further destroys the ozone layer resulting in its depletion.

The ozone molecules are capable of keeping harmful UV rays away from the earth's atmosphere. But the molecular oxygen fails to do that, thus allowing harmful UV rays to enter the earth's atmosphere.

nika2105 [10]3 years ago

4 0

When ultraviolet light waves strike CFC molecules in the upper atmosphere, a carbon chlorine bond breaks, producing a chlorine atom. The chlorine atom then reacts with an ozone molecule breaking it apart and so destroying the ozone

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. Why is density of population low in Karnali Province? Give reasons.

zvonat [6]

Answer:

The population density is low in Karnali province because of the domination of extremely high mountains, steep terrain, lack of natural resources, lack of soil, bad climate conditions, lack of oxygen, etc.

Explanation:

Nepal is a country that has a very uneven population distribution. The majority of the population is located in the plains in the southern and southeastern part of the country, while the rest of the country has little to no population. The reason for this is simple, these parts are the only ones that provide good living conditions, while the other ones don't.

One of the provinces that have a very small population density is Karnali. This province almost entirely occupies territory dominated by medium-high and very high mountains. The northern part of the province goes up to 6000, 7000, and even above 8000 meters above sea level. The climate is very hostile here and oxygen levels are very low. There isn't any vegetation in much of the province nor there is soil. The terrain is very risky and very steep. Natural resources are lacking and all in all, it is impossible for people to live in most of this province.

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3 years ago

Inorganic limestone forms when chemical changes increase the ___________ _____________ content of water until it precipitates.

mars1129 [50]

Increases the calcium carbonate

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2 years ago

Muscovite breaks along a single plane to form flat sheets. This tendency to break along smooth planes parallel to weak zones of

svp [43]

The answer is B cleavage

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4 years ago

Read 2 more answers

Diamond is _____.

leva [86]

Diamond is the hardest mineral on the Mohs scale.

Explanation:

In Vickers scale and Mohs scale, Diamond is the hardest natural materail. Antiquity is the one that is associated with the hardness of the diamond when compared with the hardness of other materials. The perfection of the crystal, purity and the orientation are the major factors that dertmines the hardness of the Diamond. Hence, Diamond can be scartched only with other diamond materials.

Because of the hardness of the diamond it comes under the category of Gemstone. The Copeton and Bingara in New Southwales is the place where the most hardest diamond originates. These are used for the purpose of polishing other diamonds since they are smaller.

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3 years ago

Large igneous provinces (LIPs) Choose one: A. erupt magma with high viscosity and are therefore localized but very thick. B. rep

MakcuM [25]

Answer:

D. are places where huge amounts of felsic magma have been erupted or intruded.

Explanation:

Large igneous provincession areas of great extension, have more than 100 thousand square meters, that arose as a result of the eruption of continuous magma in short geological intervals of time. Large igneous provinces consists of an accumulation of igneous rocks and features extrusive rocks, such as delava flows and pyroclast deposits.

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3 years ago