Question

What is the difference between a renewable and a non-renewable source of energy? Explain with examples.

Answer 1

Comparison between Renewable and Non-renewable Resources:

	Renewable Resources	Nonrenewable Resources
Definition	A resource which can be replenished or reused.	This type of resource cannot be replenished.
Example	Wind energy, solar energy, geothermal energy	Coal, petroleum, natural gas, etc.
Advantages	Operating cost is low Clean No harm to the environment Sun, wind, ocean energy, etc. are available in abundant quantity and are free to use. These sources have low carbon emission and therefore are considered to be more environment-friendly.	They are cheap and easy to use Known for their efficiency Ability to produce a lot of energy in short period of time Little or no competition
Disadvantages	Not very efficient in producing energy on a massive scale They can be noisy They are expensive to build	They will eventually run out Not clean They are threatening to the environment