Fill in the blanks.

Question:

Fill in the blanks.

(a) Coal is one of the………….used to cook food.

(b) When heated in air, coal burns and produces mainly ……….gas.

(c) Coal tar is a black, thick……….with an ………….smell.

(d) Petroleum,…………..and……….. are fossil fuels.

(e) Forests and coal are ……….. natural resources.

Solution:

(a) fuels

(b) carbon dioxide

(c) liquid, unpleasant

(d) coal, natural gas

(e) exhaustible

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