solar energy - energy from the sun, hydroelectric energy (hydropower) - energy from moving water, wind power - energy from the wind, biomass - anything that is living that can be used as a resource, geothermal energy - natural thermal energy produced through volcanoes, magma, and lava,

Renewable Resources

Edetabel

Visuaalne stiil

Valikud

Vaheta malli

Kas taastada automaatselt salvestatud ?