Question

Harmful substance released by power plants occurs as :
(A) Carbondioxide
(B) Oxygen
(C) Potassium
(D) Magnesium

Answer 1

the ans of your question is the option a. carbon dioxide

Answer 2

OPTION (A) IS CORRECT.

(A) CARBONDIOXIDE

Explanation:

• The power plants generate energy and supply it on mass scale.
• The power is generated by a number of ways among which the burning of coal is done on a larger scale.
• The coal is easily available, but when it is burnt smoke and fumes are produced.
• The smoke contains carbon dioxide and other harmful gases, which pollutes the environment.
• The carbon dioxide is a harmful substance, it causes global warming.
• Therefore, option (A) carbon dioxide is correct.