Question

Q1.Study the following statements about ozone
i) it is essential for breathing of living organism
ii)it is used to disinfect water
iii) it absorbs ultraviolet rays.
iv) its proportion in air is about is about 3%
Which of the above statement are correct.
i, ii,and iii
ii and iii
i and iv
All ​

Answer 1

Answer:

ii and iii are the correct statements

Answer 2

Answer:

1 and 3 option

Explanation:

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