Which one of the following pairs is wrongly classified?
|Positive effect on the environment||Negative effect on the environment|
|A||Incinerating rubbish in residential areas||Covering opened dust bins left out in the open|
|B||Breeding animals like chicken and sheep for food||Cutting down trees|
|C||Collecting rainwater for watering garden plants||Feeding animals in the wild|
|D||Using recycled material||Leaving unfinished food at the canteen table|