Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Consider the following statements

Select the correct statements

• A.
  1 only
• B.
  2 only
• C.
  1 and 2 only
• D.
  None of these

Answer 1

The correct option is B

2 only
<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
Photochemical Smog is caused mainly due to vehicular pollution.
Nitric oxide combines with oxygen in presence of sunlight to release ozone. This ozone is very harmful. It causes problems in the respiratory system of humans, damages plants and harms animals also.
Industrial Smog happens due to industrial pollution. It is also known as reducing smog and sulphurous smog.