1.

Question : Chosse the incorrect statement.

Answer»

The Montreal PROTOCOL is associated with the control of emission of ozone depleting substances.
Methane and carbon dioxide are greenhouse gases.
DOBSON units are used to measure oxygen content.
Use of incinertators is crucial to disposal of hospital wastes.

Solution :Dobson units (DU) are used to REPRESENT the concentration or THICKNESS of ozone `(O_(3))` in our ATMOSPHERE. `100 = 1ppb` (parts per billion).


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