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Energy from the earth's heat is called geothermal.
Sunlight is neither a raw material nor a product. It is a natural phenomenon.
Cork is a natural material obtained from a particular species of tree.
when you get your energy from the calcium that you eat when you get your energy from the calcium that you eat
Water and nutrients
fuel
fuel
solar
Bauxite is aluminum ore, hematite is iron ore.
Energy from the earth's heat is called geothermal.
mechanical energy
Depends on what type of energy, but usually they are called conductors.
Energy is obtained by proteins/carbohydrates in your body.
conduction
Conduction
Matter.
sunlight is a particle of energy called a photon. photons are massless and are not a material in the conventional sense.