Energy production in the world - lesson
Alternative sources of energy (comenius)
Geothermal Energy
geothermal energy
Geothermal Energy Based on the heat that naturally occurs in the Earth’s interior Sine the Earth’s interior is hotter than the surface, this heat flows.
BY: CODY GOLDER Energy Timeline. Coal Coal was discovered by Louis Joliet in 1673 in the Illinois river region. Since then the demand for coal has increased,
