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प्रश्न
_______ is the process of converting waste materials into new materials.
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उत्तर
Recycling is the process of converting waste materials into new materials.
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संबंधित प्रश्न
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...........
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
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.?
Which one of the places you visited shows greater biodiversity?
Give reason.
It is important to conserve the living components of the environment.
Classify the following as natural or man-made.
water hyacinth.
It is a biodegradable waste.
Take a square paper. Fold its diagonals. Draw three lines in three triangles as shown in the picture.
Cut from the edge of the diagonal to the center as shown in the picture.
If you fold this triangle and paste it behind the third triangle you get a pyramidal shape.
In one of the triangles, draw images of each of the organisms in the different levels.
In another triangle write the names of the organisms. In the last triangle, write the energy level of the organism. Have a look at the following example. You must come up with different organisms!.
Select the mis-matched pair in the following and correct it.
Explain some harmful effects of agricultural practices on the environment.
