How do erosion, desertification, deforestation, and damming impact the environment?
A.
They negatively impact the environment by limiting greenhouse gas emissions.
B.
They positively affect the environment by creating more places for humans to live.
C.
They positively affect the environment by protecting biodiversity and animal habitats.
D.
They negatively impact the environment by destroying soil, animal habitats, and waterways.
Please select the best answer from the choices provided.