The Environment Pdf 49826 | Chapter 15 Our Environment Solved Questions

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chapter 15 our environment class x biology solved questions what is environment the sum total of all surroundings of a living organism including natural forces and other living things which ...

Filetype PDF | Posted on 19 Aug 2022 | 4 years ago

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...Chapter our environment class x biology solved questions what is the sum total of all surroundings a living organism including natural forces and other things which provide conditions for development growth as well danger damage called happens when we add waste to or throw some them are broken down by biological processes but rest persists long time different types materials that said be biodegradable these wastes decomposed through actions fungi bacteria organisms enrich soil fertility examples food refuse tree leaves urine faecal matter ewage agricultural residue paper wood cloth cow dung etc not non substances inert simply persist in may harm various members ecosystem example includes ddt insecticides pesticides mercury lead arsenic aluminimum plastics polythene bags glass radioactive after away presence temperature sunlight act on try break why bio degradable this because specific action enzymes produced decomposers can into poisonous simpler cannot man made like harmful effects su...

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Posted on: 19 Aug 2022 | 4 years ago
Tag: download pdf, chapter, environment, solved, questions,
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File size: 0.40 MB
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