1. PRESENTED BY,
Majida M A

3. Bio gas
It refers to a mixture of gases produced by the
breakdown of organic matter in the absence of
oxygen.
It can be produced by recycled waste.

4. Uses of bio gas
Biogas is a fuel used as an energy source for light,
heat or movement.

5. Making of biogas
Biogas is produced by the break down of organic
waste by bacteria without oxygen.