Example of undesirable changes and slow changes
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Undesirable Changes
Changes brought about by a person or by nature which is harmful are known as undesirable or non-agreeable changes.
Examples: Rain causing destruction by floods, the souring of milk, rusting of iron, rotting of fruits and vegetable, global warming, earthquakes, tsunami, etc. -
Slow Changes
Changes which take a long duration of time or occur slowly are called slow changes.
Examples: Growth of nails, tooth decay, change of seasons, rusting of iron, the growth of a human, growth of a tree from a seed