When plants and animals decay,the organic nitrogen is converted into inorganic nitrogen. The inorganic nitrogen is in the form of

Arrange the following greenhouse gases in the correct decreasing order of their contribution to global warming.

The chemical added to leaded petrol to prevent the deposition of lead in the combustion chamber is

The scientists who explained that the greenhouse effect and the Earth's atmosphere function in a similar way were ...... .

Which among the following statements about ozone depletion is $NOT$ true?

Fill in the blanks:
$(1)$ Carbon dioxide is found in the ................. layer.
$(2)$ $A$ high concentration of carbon dioxide is responsible for ................. .
$(3)$ ................. gas is used in air conditioners.
$(4)$ Acid rain causes damage to the ................. monument (wonder).