Temperature rises with altitude in the upper levels of Stratosphere because of the
Presence of ozone layer
Absence of water vapour
Absence of nitrogen compounds
Presence of pure oxygen
Chlorine reacts with saturated hydrocarbons at room temperature in the : (a) absence of sunlight (b) presence of sunlight (c) absence of moisture (d) presence of H2SO4
The statement, "the amount of ozone in the atmosphere is decreased by the chlorofluorocarbon CI2F2C"