Which of the following are non-conventional sources of energy?

(A) Wind Power
(B) Tidal Energy
(C) Natural Gas
(D) Geo Thermal Energy

Choose the correct answer from the options given below:

(A), (B) and (D) only

The correct answer is Option (1) → (A), (B) and (D) only

Non-conventional sources of energy (also known as renewable sources) are those that are replenished naturally over a short period and are relatively newer in terms of widespread technological adoption.

Based on the options provided:

• (A) Wind Power: Non-conventional/Renewable.
• (B) Tidal Energy: Non-conventional/Renewable.
• (C) Natural Gas: Conventional/Non-renewable (it is a fossil fuel).
• (D) Geo Thermal Energy: Non-conventional/Renewable.

Answer: The correct option is (A), (B) and (D) only.