no it is not because all the equipment that goes down into the arth costs alot.
i think is yes. :) :]
False the only unlimited source of cheap energy is the sun
you already know ! c;
Because they use geothermal energy.
Yes, it is a cheap source of very dependable energy.
Cheap, unlimited, and scalable.
It uses rocks from underground and makes lots of power. It is cheap and clean and is renewable.
Once installed it's cheap and non-polluting - so sure.
Cheap source of energy
Coal is a good energy source because it is abundant and relatively inexpensive to mine. It can provide a reliable source of energy that can be stored for later use. However, its use contributes to air pollution and greenhouse gas emissions, which can have negative environmental impacts.
This is usually very cheap, $0.03-$0.08 or even less
It is plentiful and cheap.
It is easy and cheap to mine and easy, cheap and versatile to use.