What are aerosols? How are these dangerous?
The solid particles or liquid droplets dispersed in air are called aerosols. The aerosols deplete the ozone and thus are very dangerous..
What is the function of decomposers in Biogeochemical cycles?
Draw a labelled diagram to show the oxygen cycle in nature.
Or
Draw a neat labelled diagram to show the oxygen cycle in nature.
Or
Describe oxygen cycle in nature.
Burning of fossils fuels causes pollution. Comment.
State, why a car parked in the sunshine with its windows closed is found much more hot inside than outside?
