What is environment?
Environment is sum total of all the biotic and abiotic factors that actually affect an individual organism at any point in its life-cyckle. Human environment may be categorized as follows:
1. Natural Environment: Usual environment
2. Man-made Environment: Own environment made of his habitations, agricultural lands, industries, etc.
3. Social Environment: Part of the environment made of human society, culture, science and technology, customs, ethological senses etc.
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