RENEWABLE RESOURCE, SUN, AIR, WATER, WIND, TREES, BIOMASS, GEOTHERMAL, NON-RENEWABLE RESOURCE, OIL, NATURAL GAS, COAL, NUCLEAR, FOSSIL FUELS, MINERALS.

Edetabel

Visuaalne stiil

Valikud

Vaheta malli

Kas taastada automaatselt salvestatud ?