You are presented with the question "what has a negative impact on the environment?" and the following answer choices: 
- forest is destroyed
 - habitats
 - animals
 - oxygen
 - deforestation
 - movements in the earth's crust
 - harmful substances
 - hydrocarbon emissions

Now knowing that pollutants have a negative impact on the environment and hydrocarbon emissions are one of the pollutants that create ozone pollution, choose the best answer.


 

        hydrocarbon emissions 