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प्रश्न
Classify the following as natural or man-made.
water
विकल्प
Natural
Man-made
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उत्तर
water - Natural
संबंधित प्रश्न
What is meant by 'environment'?
Name the organisms whose uncontrolled activities are damaging the environment.
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
"Burning fossil fuels is a cause of global warming." Justify this statement.
The compound obtained on reaction of iron with steam is/are:
In the course of your observations, did you notice any signs of the presence of living things, though the living things themselves were not seen? For example, did you notice any partly eaten fruits or shells, fallen feathers, animal tracks, dung, droppings, nests, cocoons, eggs, honeycombs, etc.?
Could you observe any microorganisms?
Which one of the places you visited shows greater biodiversity?
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.
sunlight
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
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
What are the by-products of fertiliser industries? How do they affect the environment?
