why do bubbles come out of a lump of soil when it is in water?
How are abiotic and biotic components interdependent?
The colour of the shadow depends on the colour of the object . Is it True or False
why do electric cell and the bulb have two terminals?
is burning of candle a reversible or irreversible change?
is melting of wax a reversible or irreversible change?
How do the redworms grind the food?
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