Advertisements
Advertisements
प्रश्न
Mention five causes of air pollution.
Advertisements
उत्तर
CAUSES OF AIR POLLUTION ARE:
- Burning of FOSSIL FUELS and FIBRES.
- Cutting of forests.
- An eruption of volcanoes.
- Increase in POPULATION.
- Agricultural activities like the use of chemical fertilisers, insecticides, pesticides, and burning of husks, etc.
APPEARS IN
संबंधित प्रश्न
What is greenhouse effect?
How is air useful to agriculture?
Name two air pollutants which cause acid rain.
Write ‘true’ or ‘false for the following;
Air is a compound.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Air is a mixture and not a compound since the components of air cannot be separated by physical methods.
Name the following.
Inert gases in the air
The capacity of air to hold moisture depends upon the ______ of the air.
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
