Most of it comes from fossil fuels.
Answer:
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth
Explanation:
Answer:
an ore is a naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
Explanation:
according to natonal geography "Ore is a deposit in Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron. Copper ore is mined for a variety of industrial uses. For thousands of years, gold ore was mined as a basis for currency, or mone" :)
