Define renewable. With an example?
Answers
Gasoline, coal, natural gas, diesel, plastics and other fossil fuels are not renewable. They take millions of years to be made, and cannot be renewed in a human lifetime or even a nation's lifetime. Ways have been developed to make biodegradable plastic and biodieseland other fuels from renewable resources such as corn, sugar cane, soybeans andcanola.
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A Source of Energy is defined as a substance, which has the capacity to provide an adequate amount of energy in a convenient and a useful form, over a long period of time...
A good source of energy should:
Do a large amount of work per unit volume, mass, or amount of substance...
Be easily accessible...
Be safe and easy to store and transport...
Be economical...
The advantages of the classification of sources of energy:
It brings in to focus the energy crisis, and a thinking to use the non-renewable sources of energy judiciously...
It also brings into focus the need to look for and use alternative or non-conventional sources of energy...
- Renewable Sources of Energy are those sources of energy which are available in plenty, and can be renewed again and again within a relatively short period of time. e.g Solar energy, tidal energy, geothermal energy, etc...
- Non-renewable Sources of Energy are those sources of energy which are available in limited quantity, and cannot be renewed again and again within relatively short period of time...
- Conventional Sources of Energy are those sources of energy which are widely used, and can easily be converted into useful forms of energy...
- Non-conventional or Alternative Sources of Energy are those sources of energy which are not widely used, and cannot easily be converted into useful forms of energy...
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