Science, asked by vatturiparitosh9996, 10 months ago

Which of the following statements about ozone are correct?
I It is essential for breathing of living organisms.
II It is used to disinfect water.
III It absorbs ultraviolet rays.
IV Its proportion in air is about 3%.
(a) I and II
(b) II and III
(c) I and III
(d) II and IV

Answers

Answered by Anonymous

6

Ans is l and lll.

..........♡♡♡

Answered by vibhornigam173

2

Answer:

Answer is B according to me

Explanation:

hope it helps you

Previous Question

Next Question

Similar questions

World Languages, 5 months ago

protection of food in Kannada...

Environmental Sciences, 5 months ago

Make a price list of different fruits and vegetables... Please give the answer fast....I’ll report you if you put wrong answers....thank you...

Physics, 5 months ago

A cube of side length 1.6 m and made of unknown material floats at the surface between water and oil. The oil has a density of 810 Kg/m3 If the cube floats so that it is 72% in the water and 28% in the oil, what is the mass of the cube and what is the buoyant force on the cube? (ρwater =810 Kg/m3)...

Science, 10 months ago

The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as [NCERT Exemplar] (a) sewers (b) sewerage (c) transport system (d) treatment plant...

Science, 10 months ago

Which of the following is/are products of wastewater treatment? [NCERT Exemplar] (a) Biogas (b) Sludge (c) Both biogas and sludge (d) Aerator...

History, 1 year ago

What are functions of gram panchayat...

Math, 1 year ago

find the mean and median of 1,2,3,4,5,6...

Science, 1 year ago

describe giving reasons the path A Ray of light incident on a glass slab takes till it emerges from the slab...