Which among the following statements is/are correct about Smog?It is formed in urban and industrial areas.It is formed when smoke is mixed with fogSelect the correct code from the options given below:

• A. Only 1
• B. Both 1 & 2
• C. Only 2
• D. Neither 1 & 2

Answer: (B)

In urban and industrial areas smoke provides plenty of nuclei which helps in the formation of fog and mist. Smog is a condition when fog is mixed with smoke.