Question

2.Which treaty was signed in 187 for the protection of ozone layer?
a) The Montreal Protocol
b) The Kyoto Protocol
c) Ozone Summit
d) Wildlife Conservation Act
3.At what decibel instantaneous rupture of membrane happens?
a) 100
b) 120
c) 146
d) 150
4.Which of the following solid wastes describe the term ‘Municipal Solid Waste’?
a) Toxic
b) Hazardous
c) Non-toxic
d) Non-hazardous
5.Which of the following is an organic gas?
a) Hydrocarbons
b) Aldehydes
c) Ketones
d) Ammonia​

Answer 1

Answer:

2 opp:c

3opp;b

4opp;c

5opp;d

Answer 2

Answer:

2 ans. Montreal protocol

3.ans. 150 decibels

4.ans.Non hazardous

5.ans. hydrocarbons