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picture1_The Environment Pdf 55425 | 200826135222 52 Class Notes Of Class X Our Environment 26 Aug


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File: The Environment Pdf 55425 | 200826135222 52 Class Notes Of Class X Our Environment 26 Aug
class x biology our environment date 26 08 2020 teacher saswati basak biodegradable and non biodegradable wastes ecosystem componentsofecosystem the environment includes our physical surroundings like air or atmosphere water ...

icon picture PDF Filetype PDF | Posted on 21 Aug 2022 | 4 years ago
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...Class x biology our environment date teacher saswati basak biodegradable and non wastes ecosystem componentsofecosystem the includes physical surroundings like air or atmosphere water bodies soil land all organisms such as plants animals human beings micro bacteria fungi called decomposers waste materials produced by various activities of man are poisonous to some extent can be divided into two main groups substances that broken down biological processes said these decomposed through actions other living tteemmppeerraattuurree aanndd ssuunnlliigghhtt aallssoo ppllaayy aann iimmppoorrttaanntt role in decomposition for examples food trees leaves urine faecal matter sewage agricultural residue paper wood cloth cow dungetc not may solid liquid gaseous form inert simply persist a long time harm members ffoorr eexxaammpplleess tthheessee iinncclluuddeess ddddtt ddii cchhlloorroo phenyl trichloro ethane pheneyle cheoro insecticides pesticides mercury lead arsenic aluminum plastics polythene b...

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