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प्रश्न
Classify the following as natural or man-made.
pen
विकल्प
Natural
Man-made
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उत्तर
pen - Man-made
संबंधित प्रश्न
Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil
Write one or two word for the following statement/definition :
The physical and biological world where we live in
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
Write the percentage of solar energy captured by the autotrophs.
What makes the earth’s atmosphere a heterogeneous mixture?
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?
Classify the following as natural or man-made.
water hyacinth.
Classify the following as natural or man-made.
water
Classify the following as natural or man-made.
cottonwool
Classify the following as natural or man-made.
book.
Classify the following as natural or man-made.
chair
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.
Explain some harmful effects of agricultural practices on the environment.
