Tidal and Biogas

Q.

Mention two advantages of biogas over fossil fuels

Q. Which of the following option(s) are the disadvantages of tidal energy ?

1. It disrupts the habitat of marine life.
2. Electricity can be generated only during tidal surges.
3. It is a conventional, non-renewable resource of energy.
4. Its source of power, the tides, cause pollution.

Q. The major disadvantage of biogas is its contribution in emitting greenhouse gases.

1. True
2. False