Question

The industrial activity held least responsible for global warming is :

• A. steel manufacturing
• B. manufacturing of cement
• C. Industrial production of urea
• D. Electricity generation in thermal power plants

Answer 1

Answer: (C)

Industrial production of urea

Answer 2

In urea production $NH_3$​ and $CO_2$​ consumed so least responsible for global warming.

So, The Correct option is (C): $\text{Industrial production of urea}$