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PolarNik [594]
3 years ago
5

WHAT IS OZONE..................... How does it acts as safeguard?

Chemistry
2 answers:
Andrews [41]3 years ago
7 0
The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun. In particular, the ozone layer protects us from the UV radiation, known as UV-B, which causes sunburn.

Ozone is a colorless, odorless reactive gas comprised of three oxygen atoms.
jenyasd209 [6]3 years ago
5 0

Explanation:

The ozone layer is a natural layer of gas in the upper atmosphere that protects humans and other living things from harmful ultraviolet (UV) radiation from the sun. ... The ozone layer filters out most of the sun's harmful UV radiation and is therefore crucial to life on Earth.

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Which statement about anaerobic respiration is true? Anaerobic respiration prevents muscle fatigue. Anaerobic respiration genera
yan [13]

Answer;

Anaerobic respiration is used commercially in the production of beer, wine, bread, yogurt, and cheese.

Explanation;

-Anaerobic respiration is a type of respiration that does not use oxygen. It is used when there is not enough oxygen for aerobic respiration.There are two main types of anaerobic respiration, alcoholic fermentation and lactic acid fermentation.

-The carbon dioxide produced as a by-product when yeast perform alcoholic fermentation on the sugar in the bread mix is the gas that causes dough to rise.  The sugars in produce like barley, grapes and other grains and fruits is what allows yeast to produce the bubbles and alcohol in beer, wine and other liquors.

5 0
4 years ago
Read 2 more answers
Which of the following best describes an electrical circuit?
Sergeeva-Olga [200]

Answer:

D

An electric circuit is best described as a loop.  

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Explanation:

3 0
4 years ago
If an element only partially conducts electricity, it would be part of the _______ category. *
dmitriy555 [2]
It would be in the transition metals
5 0
3 years ago
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4 0
3 years ago
What is the percent composition of CuCl2?
allochka39001 [22]
CuCl2 is Dichloride Copper, or Copper II Chloride. 
In this Molecule, there is 1 atom of Copper for every 2 atoms of Chlorine.
If you go to the periodic table, you'll see that copper has a mass of 63.5 amu, and the chlorine 35.45 amu.
Which mean that the mass of CuCl2 is 63.5 + 35.45*2 = 63.5 + 70.9 = 134.4 g/mol.
Then, you find the ration of the mass of each atom and multiply by 100.
Ratio of Copper: \frac{63.5}{134.4} * 100 and you get about 47.2% 
Ration of chlorice (Cl2): \frac{70.9}{134.4} * 100 and you get about 52.8%.

So, the percent composition of CuCl2 is 47.2% of Copper and 52.8% of chlorine.

Hope this Helps :)
4 0
4 years ago
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