Question

1) What is thick layer made up of smoke and
fog in the atmosphere called
2) Which chemical is responsible for ozone hole?
3) What is responsible for Marble cancer of the
Taj Mahal?
4) without which process, would life not have been
possible on the earth, but now it threatens life?
5) Which city in Uttar Pradesh is at which the
Ganga has one of the most polluted stretches
of the river?
(6) Which level decreases in water body may kill
aquatic organisms because of pollution?
7) In recent study by WWF which river in India is
found one of the ten most endangered rivers in
the world?
8) Which poisonous gas reduces the oxygen-carrying
capacity of blood ?​

Answer 1

Answer:

1. smog

2. Chlorofluorocarbons

3. The phenomenon is called 'Marble cancer'. The soot particles from the mathura oil refinery damage the colour of the monument, turning it into yellow. Due to heavy pollution in and around Agra there is a threat to the beauty of the Taj Mahal.

Answer 2

Answer:

1) Smog

2)Chlorofluorocarbons is responsible for ozone hole

3)marble cancer occurs due to corrosion and by pollution

5) Kanpur

6) oxygen

7) River Ganges

8) Corbon monoxide

sorry, mate

i don't know 4th one

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