Pollution is

Options :
  1. Removal of top soil
  2. Release of toxic/undesirable materials to environment
  3. Conservation of energy
  4. all of these
Answer and Explanation :-

Answer: Option 2

Explanation:

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Between the natural way and the path of grace there is a deep abyss. It is in that gap that we live our lives as a giant struggle between good and evil, Satan and God, despair and love. Whenever despair wins, it is the natural way. Whenever love wins, it is a moment of grace. When love is victorious and defeats despair completely, you've reached the path of grace.
-Haim Shapira Things That Matter