Subject :NSO Class : Class 8
Subject :NSO Class : Class 8
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 9
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
Ans 1:
Class : Class 7
Carbon Dioxide +Water (using sunlight and chlorophyll present in leaves)= starch+water vapour+ Oxygen
=
Ans 2:
Class : Class 8
Plants use sunlight, chlorophyll, carbondioxide and water to produce oxygen.When plants put them together a chemical reaction causes and oxygen is produced.
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Subject :NSO Class : Class 7
Ans 1:
Class : Class 8
Light is a form of energy which makes the things visible from which it is emitted or reflected or refracted. It travels at a speed of about 3*10^8
m/sec.
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Subject :NSO Class : Class 9