Question

Compare and contrast renewable and nonrenewable resources

Answer 1

Physics

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Natural Resources: Sources Of Energy
What is Energy?
Before learning about sources of energy, let’s understand what energy is. Classical description for energy is the ability of a system to perform work but because energy exists in so many forms, it is hard to find one comprehensive definition. In short, energy is the ability of a system to make things happen. It is a property of an object which can be transferred from object to object or converted to different forms but cannot be created or destroyed. There are numerous sources of energy. It can be chemical energy, electrical energy, heat/ thermal energy, mechanical energy, nuclear energy and energy in the form of electromagnetic radiation ie light.

Sources of energy contain energy in them if forms that cannot be used directly but living organisms require energy to stay alive. Therefore you must unlock this energy to get work done. Humans get energy from food which has this energy stored in form of chemical energy. Your body absorbs this energy from food and burns it to fuel your body so that you can run around and have fun. A candle has a lot of chemical energy but it has to burn for it be useful. This conversion of chemical energy to yield heat and light energy is burning. Burning is a process of converting chemical energy to heat energy and sometimes light too.

We must make one observation though, energy seems to have a shelf life. If you keep a hot object out in the open, it will cool after a while. Can you collect this energy back from the atmosphere? You will learn more about the flow of energy when you discuss the Laws of Thermodynamics. We have discussed a few sources now let’s discuss them in detail.

Sources Of Energy
Difference Between Renewable and Nonrenewable sources of Energy
Renewable Nonrenewable
The resources that can be renewed or replaced are called renewable sources of energy. The resources that cannot be renewed once they are consumed are called nonrenewable sources of energy.
These resources do not cause any pollution to the environment.
These resources cause pollution to the environment.

Answer 2

Renewable Resources: The resources which can be reproduced by physical, chemical or mechanical processes are known as renewable resources. For example, solar and wind energy, water, forests and wildlife, etc.
Non-Renewable Resources: These occur over a very long ecological time. Minerals and fossil fuels are examples of such resources. These resources take millions of years in their formation.Fossil fuels cannot be recycled and get exhausted with their use.

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