Choose the incorrect statement

Options

A. The Montreal protocol is associated with the control of emission of ozone depleting substances
B. Methane and carbon dioxide are green house gases
C. Dobson units are used to measure oxygen content of air
D. Use of incinerators is crucial to disposal of hospital wastes

Answer

C

Explanation

The thickness of ozone is measured in terms of Dobson unit. In stratosphere ozone gas is continuously formed by the action of ultra violet rays on molecular oxygen and also degraded into molecular oxygen.