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

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟