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non degradable pesticode are potentially dangerous as they accumulate in the bidies of animals and pass right through food web being futher concentrated at each step until animal at the top of pyramid may receive enough to do considerable harm read the pare thoroghly and mention the concept discussed in the above paragraph |
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Answer» the plant has a dome LIKE structure built with bricks. a slurry of cow dung and water is made in the mixture tank from where it is FED into the digester. the digester is sealed CHAMBER in which there is no oxygen .Explanation:it takes a few days for the decomposition PROCESS to be completed and generate gases like methane ,carbon dioxide, hydrogen and hydrogen sulphide. the bio-gas is STORED in the gas tank above the digester forms which they are drawn through pipes for use. bio-gas is an excellent fuel as it contains up to 75% methane |
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