Fact 1: Pollutants have a negative impact on the environment.

Fact 2: Hydrocarbon emissions are one of the pollutants that create ozone pollution.

Given the two facts above, answer the question "what has a negative impact on the environment?" with the following options: 
- forest is destroyed
 - habitats
 - animals
 - oxygen
 - deforestation
 - movements in the earth's crust
 - harmful substances
 - hydrocarbon emissions


 

        hydrocarbon emissions 