4. A representation of a bio gas plant is shown in the figure. A bio gas plant uses micro- organisms to convert domestic and agricultural sewage into methane gas which is used as fuel.
Which option below contains materials that can ALL be put into the bio gas plant?
A. crop residues, plastic and aquatic weeds. B. paper, human excreta and leather pieces. C. cow dung, glass pieces and sticks. D .water hyacinth, poultry wastes and husk.
Answers
Answered by
1
Answer:
option D
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Answered by
0
Answer:
4- where is your pictures
well the 2nd ans is
Explanation:
paper, human excreta and leather pieces
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