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प्रश्न
Give two causes of air pollution.
उत्तर
- Industries and factories burn fuel and this causes smoke and pollutant gases.
- Vehicles during transport emit poisonous gases and particles. The slow burning of fuels produces lots of carbon dioxide.
संबंधित प्रश्न
Following is a statement about pollution. Which type of pollution does it express?
Problem of sneezing occurs sometimes during visit to garden.
True or False:
Indoor pollution is 10 times more toxic than outdoor pollution.
What is environmental pollution?
Give the definition of a pollutant.
What is soil pollution?
What is radioactive pollution?
What is noise pollution? What harm does noise pollution do to human beings?
Use your brain power !
What would happen if no kites (birds) are left in a particular region? Which living things would increase in number? Which would decrease?
Think of the objects in your home. Just keep in mind, the books, toys, furniture, food materials, and even pets of your home. These living and non-living things together make your home. Look at the following picture and list out the living and non-living things, in the pond.
Give two examples of Particulate pollutants.
