Ozone, O3, is a gas of the atmosphere that filters ultraviolet radiation from the sun disallowing most of that radiation of reaching the surface of the planet. Ultraviolet radiation is harmful for living beings because it is a mutagen and can cause cancer (mainly skin cancer), other DNA mutations, and even burns.
Environmental Issues: ozone layer
A box contains 90 mts each of 100 gms and 100 bolts each of 150 gms.If the entire box weighs 35.5 kg., then the weight of the empty box is
If the radius of a circle is increased by 20% then the area is increased by
A rectangle is 14 cm long and 10 cm wide.If the length is reduced by x cms and its width is increased also by x cms so as to make it a square then its area changes by
If 1 cm on a map corresponds to an actual distance of 40 kms.And the distance on the map between Bombay and Calcutta is 37.5 cms., the actual distance between them is
If a drought severely reduces the amount of corn available to consumers, what would you expect to happen?
What type of government does the United States have?
If 200 jobs are available and only 100 people are unemployed, what will have to happen according to the laws of supply and demand?
What does the acronym NAFTA stand for?
Women, such as Susan B. Anthony, fought for suffrage and were finally successful in 1920. What does suffrage mean?
If the value of XYZ Company stock drops from $25 per share to $21 per share, what is the percent of the decrease?
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