E6db50-4c3f-4330-a Changes in Ecosystems
4
In a local town, many people have been seen dumping used motor oil onto the ground. The
the oil cause any pollution?
OA. No, if you can't see the oil after it is dumped, nothing is polluted.
О В.
No, oil came from the ground in the first place, so it is okay to return it to the ground.
OC.
Yes, everything poured onto the ground is pollution
OD
Yes, the oil could pollute the groundwater.
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