Question 16 Fill in the blanks in the following sentences. (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

Question 16 Fill in the blanks in the following sentences. (a) Coal is

1.	Question 16 Fill in the blanks in the following sentences. (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
Answer» Question 16 Fill in the blanks in the following sentences. (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