Question

Define energy and write its various sources.​

Answer 1

Answer:

Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat , kinetic or mechanical energy, light, potential energy , electrical, or other forms. Energy is the ability to do work. Energy sources could be classified as Renewable and Non-renewable.

Sources:

Solar energy comes from the sun.

Wind turbines, which look like giant windmills, generate electricity.

Geothermal energy comes from the Earth's crust.

Biomass includes natural products such as wood, manure and corn.

Dams and rivers generate hydropower.

Explanation:

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Answer 2

Answer:

energy is capacity to do work

Explanation:

sources

• solar energy
• tidal energy
• nuclear energy
• etc etc....