An example of a serve disruption to an ecosystem is
A. the loss of a river system due to contamination
B. repurposing a building in a downtown area
C. a thunderstorm that knocks down some trees
D. seasonal flooding of a river
A. the loss of a river system due to contamination
B. repurposing a building in a downtown area
C. a thunderstorm that knocks down some trees
D. seasonal flooding of a river