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Discy Latest Questions
Poll Results
75%A-Dead end system ( 3 voters )
25%B- Grid iron system ( 1 voter )
0%C- Ring system
0%D- Radial system
Based On 4 Votes
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Poll Results
20%A- 1 micron ( 1 voter )
60%B- 10 micron ( 3 voters )
20%C- 100 micron ( 1 voter )
0%D- None of these
Based On 5 Votes
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What is the basic difference between Biochemical oxygen demand and chemical oxygen demand.
Poll Results
0%A- Carbon dioxide
100%B- Chlorofluorocarbons ( 1 voter )
0%C- Hydrogen peroxide
0%D- Oxides of nitrogen
Based On 1 Vote