Multiple choice

What is the chief limitation in gaining energy from oceans?

  1. It is effective in coastal areas only.

  2. It lacks technological advancements to explore.

  3. It results in very high costs.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is a costly project as it requires land, equipment and high investment for maintenance. The energy potential from the sea (tidal energy, wave energy and ocean thermal energy) is large, but efficient commercial exploitation is difficult. Tidal energy is not likely to be a potential source of energy in the future because there are very few sites around the world which are suitable for building tidal dams.

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