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The purest source of energy used is non-renewable energy sources, such as solar, wind, and hydropower. These sources do not emit greenhouse gases or pollutants when generating electricity, making them environmentally friendly options.

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1y ago

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How is wood made into an energy source?

Wood is made into an energy source through a process called combustion, where it is burned to release heat energy. The heat can then be used to generate electricity or heat buildings. Wood can also be converted into biofuels such as wood pellets or wood chips to be used as a renewable energy source.


Can helium be used as a type of energy source?

Helium itself is not a practical energy source as it is an inert gas and does not readily undergo chemical reactions to release energy. However, helium can be used in certain types of nuclear fusion reactions as a fuel source. Currently, research is being done to harness the energy potential of helium in fusion reactors as a clean and efficient energy source for the future.


Which renewable energy source was first used by humans?

The first renewable energy source used by humans was likely wood, as it was used for heating and cooking thousands of years ago.


What is the largest single source of energy used in the world today?

The largest single source of energy used in the world today is oil. It is primarily used in transportation, industry, and electricity generation.


Glucose is used as an energy source only when proteins and fats are not available?

Glucose is a primary energy source for the body and is used regardless of the availability of proteins and fats. It is the preferred energy source for many cells, particularly the brain and red blood cells. The body can use glucose from carbohydrates, proteins, and fats to meet its energy needs.