Fact 1: Cutting down trees has a negative impact on an ecosystem.

Fact 2: Rainforests are destroyed by logging and all of the trees are cut down.

Given the two facts above, answer the question "What has a negative impact on an ecosystem?" with the following options: 
- Replanting trees
 - disease
 - Pesticides
 - Logging
 - Cars
 - Pollution
 - Cutting grass
 - Environmentalists


 

    Logging     