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At least 2000 years ago the Romans used hot springs for bathing and health. The hot springs were heated by underground heat, which is the meaning of geothermal.

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Q: How long has geothermal energy been used as an energy source?
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How long ago did geothermal energy start being used?

10,000 years ago geothermal energy served as a source of warmth and cleansing while the minerals of geothermal energy was used for a source of healing


How long has geothermal energy has been used?

It has been used from the beginning of time they natives called geothermal energy (~oun~waveo)


How long has geothermal energy been around?

In some countries geothermal energy has been around for thousands of years and has been used for cooking and heating.


Why geothermal energy considered a renewable resource apex?

using the energy does not deplete the energy source


Will geothermal energy last forever?

Geothermal energy will last as long as the earth lasts, so it technically won't run out. As long as the earth's core remains molten and the sun heats the surface of the earth, we'll have geothermal energy.


How long have people used geothermal energy?

People have used geothermal energy since the dawn of civilization for cooking and bathing


How long does it take geothermal energy to form?

Millions of years. The geothermal energy is gradually recharged by the decay of radioactive isotopes.


How long will geothermal energy last?

it will last forever


What is arenwable energy source?

A renewable energy source is one that is being renewed on a regular and constant basis, such as the wind, geothermal, tides, and sunlight. It takes a very long time and a lot of effort to make oil, coal and gas so they are not considered renewable sources of energy.


How long does it take to start generating electricity in a geothermal energy station?

a long time


Which renewable resource is least dependent on the sun?

Geothermal energy is renewable, as the heat from the center of the earth will be available as long as we ever need it. This energy is the only renewable energy that does NOT come from the sun.


Is geothermal a renewable fuel?

Geothermal energy is renewable until radioactive decay stops occurring in the Earth's mantle, which won't happen for a long time yet.