there are not just two electrical sources of energy there are lots but two could be solar and biomass
energy
Two sources of light energy include the sun and incandescent light bulbs.
The sun and the earth's interior are the two sources of energy that power earth's systems.
The two types of thermal energy sources are Geothermal and Thermal Energy
The sun and the earth's interior are the two sources of energy that power earth's systems.
The two main sources of energy gas and electricity.
The sun and the earth's interior are the two sources of energy that power earth's systems.
core, and the Sun.
Kinetic and electric.
The two main sources of energy in Earth's system are solar energy, which comes from the Sun, and geothermal energy, which comes from the Earth's internal heat.
The sun and the earth's interior are the two sources of energy that power earth's systems.