Question

fill in the blanks
(a) coal contains mainly _____
(b) the slow process of conservation of dead vegetation into coal is called _______
(c)the burning of fossil couses air ______​

Answer 1

Answer:

(a) carbon.

(b) carbonization.

(c) pollution.

Answer 2

Answer:

a) Carbon

b) Carbonisation

c) Pollution

Explanation:

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