Which option identifies the reason for resistance in the following scenario? A rancher is facing protests from a local ecological group over the use of a large tract of rangeland for a herd of cattle that will be allowed to graze on it for the summer.

The cattle will remove drought-resistant trees.
The cattle will break down the soil with their hooves.
The cattle will cause harmful chemicals to be released.
The cattle will increase the risk of wildfires as they graze.