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प्रश्न
Classify the following as natural or man-made.
trees
पर्याय
Natural
Man-made
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उत्तर
trees - Natural
संबंधित प्रश्न
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?
The use of one of the following will pollute the environment. This one is :
(a) paper carry bags
(b) cotton cloth carry bags
(c) nylon cloth carry bags
(d) jute carry bags
What’s the solution?
We have to remove insects from the grain without using insecticides.
What are the different purposes for which fuels such as petrol, diesel, kerosene, natural gas, coal, and wood are used?
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.
pen
Classify the following as natural or man-made.
table.
Classify the following as natural or man-made.
brick
It is a biodegradable waste.
_______ is the process of converting waste materials into new materials.
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
What are the by-products of fertiliser industries? How do they affect the environment?
Explain some harmful effects of agricultural practices on the environment.
