Write name of the pollutant found in Troposphere.
Tropospheric pollution occurs due to the presence of undesirable solid or gaseous particles in the air. The following are the major gaseous and particulate pollutants present in the troposphere:
$(i)$ Gaseous air pollutants : Oxides of sulphur, nitrogen and carbon, hydrogen sulphide, hydrocarbons, ozone and other oxidants.
$(ii)$ Particulate pollutants : These are dust, mist, fumes, smoke, smog etc.
Do you observe any soil pollution in your neighbourhood ? What efforts will you make for controlling the soil pollution ?
Write the uses of freon.
What steps should be taken to reduce the production of acid rain ?
Write a note on effect of various pesticides on living things.
Mention the main causes for water pollution.