What are the advantages of ocean thermal energy?

What are the advantages of nuclear energy?

Mention few advantages of geothermal energy.

What are the advantages of generating hydroelectricity ?

What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series?

State the advantages of solar cells.

Name the kind of epithelium found in lung alveoli. What is the advantage of its presence there?

Write three advantages of friction ?

What is geothermal energy?