Subject :NSO Class : Class 7
1. Magnetic force of repulsion 2. Magnetic force of attraction
3. Elastic spring force 4. Gravity
(A) 1 and 3 only (B) 1 and 4 only (C) 2 and 3 only (D) 2 and 4 only
Subject :NSO Class : Class 7
Ans 1:
Class : Class 10
It is mentioned that the landowner has decided to use one of his fields which had 'factories' for several years. So it is considered that chemicals from these factories make the soil acidic...
Ans 2:
Class : Class 7
But it could be a washing factory in which soap water is thrown out. This will make soil basic.
Ans 3:
Class : Class 7
Factories in general means "manufacturing units" so we can consider that the waste water which is thrown out can be acidic in nature.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 9
of its potential energy. The speed of the particle at that instant is
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
Which of these factors force the depletion of the world's natural resources?Ans 2:
Class : Class 6
B. BECAUSE OF MORE VEHICLES THERE IS MORE POLLUTION AND ELECTRIC APPLIANCES CAN DO THE SAME.
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 7