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प्रश्न
What are the different purposes for which fuels such as petrol, diesel, kerosene, natural gas, coal, and wood are used?
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उत्तर
Petrol and diesel are used as fuel in vehicles used for transport. Two wheelers. cars, trucks, and aeroplanes run on these fuels. Kerosene. cooking gas (LPG) and wood are used as fuels for cooking and other domestic uses. Coal is used for electricity generation and also in industrial processes. Diesel is also used to run engines and machines in factories.
संबंधित प्रश्न
Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil
The number of malaria patients in a village increased tremendously when large number of frogs were exported from the village. What could be the cause for it?
Could you observe any microorganisms?
Micro-organisms form a part of the environment.
Give reason.
It is important to conserve the living components of the environment.
Classify the following as natural or man-made.
horse.
Classify the following as natural or man-made.
stone.
Classify the following as natural or man-made.
water hyacinth.
Classify the following as natural or man-made.
dolphin
Classify the following as natural or man-made.
water
Classify the following as natural or man-made.
chair
Classify the following as natural or man-made.
brick
When is the world environment day celebrated?
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Explain some harmful effects of agricultural practices on the environment.
The abiotic factors are the non-living parts such as sunlight, air, water, and minerals in the soil.
