What is the difference between 'destruction of ecosystem' and 'environmental degradation'?

Question

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Answer 1

Environmental degradation: is the deterioration of the environment through depletion of resources such as air, water and soil; the destruction of ecosystems and the extinction of wildlife.

Destruction of ecosystem: is when the animals are falling out of the food chain and the animals are being threatened or more like being treated wrong. It is also that the trees are falling. The lake being polluted is another one.