I think you might be underestimating what it means to be fluent in a language. The most important criterion in my opinion is whether you are able to freely speak in that language without doing any on the fly translating.
Geothermal energy is thermal energy within the Earth due to the movement of the Earth's particles. Most of this geothermal energy is contained within the core of the Earth. This geothermal energy is renewable energy as it is energy derived from a natural resource and it can be replenished.
  Geothermal energy is energy produced using the heat from under the earth.     Hydrothermal is energy produced by using the different temperatures of water. Pl â¦ aces in the Tropics with warm surface water but also deep cold water are most suitable.   Both geothermal and hydrothermal are renewable and clean.xists and is an alternate of. Merge this question into. Split and merge into it. Answer by Santosh Lundani. Confidence votes 23. Hydrothermal means, quite literaly. The process is used to produce 'green' electricity. The heat from the centre of the Earth is used to turn water into steam.