Which of the following pollutants is not created by fossil fuels?
a. sulfur dioxide
c. nitrogen dioxide
b. phosphodioxide
d. carbon dioxide

Option (b) is the correct answer.

Explanation:

Products which are formed from the remains of dead plants and animals are known as fossil fuels.

For example, coal, petroleum, natural gas etc are all fossil fuels.

When these fossil fuels are burned then they produce many gases such as sulfur dioxide, nitrogen dioxide, carbon dioxide etc.

But phosphodioxide is neither a gas nor molecule as it does not exist.

Hence, we can conclude that out of the given options phoshodioxide pollutants is NOT created by fossil fuels.

that's what i got you can count the number of atoms