1. Composting,recycling,technological development,water cycle and photosynthesis are changes that have good effects.Some changeshave bad effect like pollutionand destructionof habitat and lose of lives.Improperdisposal of garbage,harmfulchemicalsand human waste can cause changes.
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Answer:
1. Composting, recycling, technological development, water cycle and photosynthesis are changes that have good effects. Some changes have bad effect like pollution and destruction of habitat and lose of lives. Improper disposal of garbage, harmful chemicals and human waste can cause changes.
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