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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
Fill in the following blank with suitable word :
The science that deals with the inter-relationships of living things with one another and their environment is called...........
Write one or two word for the following statement/definition :
The physical and biological world where we live in
What is meant by 'environment'?
"Burning fossil fuels is a cause of global warming." Justify this statement.
What makes the earth’s atmosphere a heterogeneous mixture?
The compound obtained on reaction of iron with steam is/are:
Give reason.
It is important to conserve the living components of the environment.
Classify the following as natural or man-made.
stone.
Classify the following as natural or man-made.
cottonwool
Classify the following as natural or man-made.
trees
Classify the following as natural or man-made.
pen
Classify the following as natural or man-made.
chair
Classify the following as natural or man-made.
brick
Producers are ________.
These are abiotic factors.
- Sunlight
- Bacteria
- Air
- Plants
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Suggest one word for the following statement/definition.
The physical and biological world where we live in
Select the mis-matched pair in the following and correct it.
The abiotic factors are the non-living parts such as sunlight, air, water, and minerals in the soil.
