sun
coal
Electricity and oil. :)
nonrenewable energy
The most used energy resource globally is oil, which is primarily used for transportation and heating purposes. Oil provides a significant portion of the world's energy needs due to its high energy density and versatility.
Renewable energy is used all over the world.Wind energy is usally most used in the most windy places in the world like mountains.
It is widely used now in the world, but you could consider it an alternative to coal
no
solar energy there is always sun
solar energy
nonrenewable energy
Solar energy is a reusable/inexhaustible resource which means it can be used as much as you want without running out of the resource.
mineral