CBSE BOARD XII, asked by grewallakhvir09, 6 months ago

Question 1:- Choose the correct option:-
1. Which of the following gases is harmful for ozone layer
(d) Chloroflue
(c)Hydrofluorocarbon
(a)Carbon dioxide
(b ) Hydrogen sulphide
2. Which of the following metal may be found in auto mobiles exhaust and has been proved very da
the environment?
(d) Coppe
(c) Lead
(a) Lithium
(b)Iron
3. Which of the following maybe result of global warming?
(d)va
(c) Drought
(b) Skin cancer
(a) Hypercanes
(d
4. Which of the following is sometimes referred to as the worst waste of energy?
(c) Computer games
(b )Television
(a)Electric fan
(c) Solar power
5. Which of the following is not a green energy?
(a) Power from rice husk (b)Power from natural gas
of the following may be an after effect of ozone layer depletion ?
infarctic ice sheets (c) Heat waves​

Answers

Answered by 9431anushkasingh
0

Answer:

1). Chloroflue

2). May be iron

3).Skin cancer

4). Computer games

Answered by niyatiyadav15
2

Answer:

1 ) Hydrofluorocarbon

3 ) Drought

4 ) Computer games

5) Power from rice husk

6 ) Heat waves

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