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प्रश्न
True or False:
The average home creates more pollution then does the average car.
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Differentiate between primary pollutants and secondary pollutants.
Read the passage and identify the sentences expressing types of pollution.
Nilesh is a student of Std. VII and lives in urban area. It takes about an hour to go to the school by bus. He faces the heavy traffic of two wheelers, four wheelers, rickshaws, buses while going to school. He is facing the problem of asthma since last few days, Doctors recommended him to stay away from urban area. Since then, his mother sent him to the village of his maternal uncle, Nilesh saw the heaps of garbage at many places in village. Foul smell of human and animal wastes was present at many places. Blackish water with foul smell was flowing in a stream. He developed some abdominal disease within few days.
Which are invisible pollutants?
Classify the following pollutions into natural and man-made categories.
Sewage, dust, pollen grains, chemical fertilizers, vehicular smoke, algae, pesticides, waste of animals and birds.
Name three gases emitted during burning of garbage.
With an example, state what are secondary pollutants?
What is noise pollution? How is it caused?
See the diagram and answer the following question
What types of pollution are caused by open dumps?
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.
An undesirable change in the environment is called as ______.
