What is geothermal energy ? Give three merits of geothermal energy.

Geothermal energy is

What is geothermal energy? Explain how geothermal energy is used to generate electricity . State two advantages of geothermal energy.

(a) What is geothermal energy ? (b) What is the source of heat contained in geothermal energy ? (c ) Explain how, geothermal energy is used to generate electricity. (d) State two advantages of geothermal energy. (e) State two disadvantages of geothermal energy.

What is geothermal energy ? What are its merits and limitations ?

What is meant by power and energy ? Give their units.

What is solar energy ? Give five aspects of solar energy.

Give briefly the concept of internal energy.