I need help ... Any kind soul please help me

Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone

When is a hurricane considered to have made landfall? a. when at least one inch of rain occurs b. when the eye reaches the land mass c. when the outer wind bands make landfall d. when it moves inland from the coast

Look at the picture below . what does this picture represent ?