Question

C. Match the columns Column 11 Column 1 Metalling the roads Coal tar Manufacture of steel N Petrol Source of heat 3 Coal gas Vaseline Bitumen Naphthalene balls 5 Coke Dry cleaning 6. Paraffin wax D. Give one word for the following statements. Useful substances obtained from petroleum and natural gas​

Answer 1

Answer:

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Explanation:

(ii) Exhaustible Natural Resources: The amount of these resources in nature is limited. They can be exhausted by human activities. Examples of these resources are forests, wildlife, minerals, coal, petroleum, natural gas etc.