Subject :NSO Class : Class 2
Ans 1: (Master Answer)
Ans 2:
Class : Class 7
The answer is D. Valley. Because a valley is an elongated low area often running between hills or mountains,which is typically contain a river or stream running from one end to the other.Most valleys are formed erosion of the land surface by rivers or streams by a long period of time.
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
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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 5
Ans 2: (Master Answer)
Class : Class 1
C
According to the given flow chart P is not a natural substance. So, it can be a man-made substance. Q, R and S are natural substances. Q is obtained from plants and R is obtained from animals whereas S could be any other natural substance such as metal, air, water, etc.