Answer:
Your answer is most likely A - Mining and burning coal and oil destroys ecosystems.
Step-by-step explanation:
The answer was found in part to the process if elimination. B is incorrect, coal being a good source of fuel, coal breaking down plants does happen but not at the scale of the excess pollutants from coal. Finally, D has a good point, that being we'll run out soon, however it also says it's good for plants which it is not.
Hope this helps and is correct!!!