Question

1.Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource? (a) Minerals (b) Water (c) Soil (d) Plastic​

Answer 1

Answer:

Minerals, water and soil are natural resources whereas plastic is a man-made substance. 2. Air is a natural resource and cannot be exhausted by human activities.

(c) Petroleum: (iii) Bitumen

(b) Natural gas: (ii) Vaseline and candles

(d) Paraffin wax: (iv) CNG

Answer 2

Answer:

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