(1)Fill in the blanks in the following sentences.(a) Coal is one of

1.	(1)Fill in the blanks in the following sentences.(a) Coal is one of the ______ used to cook food.(2)Fill in the blanks in the following sentences.(b) When heated in air, coal burns and produces mainly ______ gas.(3)Fill in the blanks in the following sentences.(c) Coal tar is a black, thick ______ with an ______ smell.(4)Fill in the blanks in the following sentences.(d) Petroleum, ______ and ______ are fossil fuels.(5)Fill in the blanks in the following sentences.(e) Forests and coal are ______ natural resources.
Answer» (1)Fill in the blanks in the following sentences. (a) Coal is one of the ______ used to cook food. (2) Fill in the blanks in the following sentences. (b) When heated in air, coal burns and produces mainly ______ gas. (3) Fill in the blanks in the following sentences. (c) Coal tar is a black, thick ______ with an ______ smell. (4) Fill in the blanks in the following sentences. (d) Petroleum, ______ and ______ are fossil fuels. (5) Fill in the blanks in the following sentences. (e) Forests and coal are ______ natural resources.

(1)Fill in the blanks in the following sentences.(a) Coal is one of the used to cook food.(2)Fill in the blanks in the following sentences.(b) When heated in air, coal burns and produces mainly gas.(3)Fill in the blanks in the following sentences.(c) Coal tar is a black, thick with an smell.(4)Fill in the blanks in the following sentences.(d) Petroleum, and are fossil fuels.(5)Fill in the blanks in the following sentences.(e) Forests and coal are __ natural resources.

Answer» (1)Fill in the blanks in the following sentences.

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

(2)

Fill in the blanks in the following sentences.

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

(3)

Fill in the blanks in the following sentences.

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

(5)

Fill in the blanks in the following sentences.

(e) Forests and coal are ______ natural resources.