Anaerobic bacteria digest animal waste and produce biogas (Change – A). The biogas is then burnt as fuel (Change – B). The following statements pertain to these changes. Choose the correct one.Immersive Reader
Process – A is a chemical change.
Process – B is a chemical change
Both processes A and B are chemical changes.
None of these processes is a chemical change
Answers
Answered by
0
Answer:
option d
Explanation:
waste can be recycled and biogas is used as fuel
Answered by
0
Answer:
Both processes A and B are chemical changes
Explanation:
this is because digestion is a chemical process or change and burning of a substance and changing to fuel is also a chemical change.
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