how is Hydrogen extracted from the ground
with special tools
Salt is extracted from salt mines.
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the pounded by there and not boiled
Miners extract iron ore from the ground.
Sugar cane is a plant and the sugar is boiled out of the plant. It does not come from the ground.
ground containing ore in sufficient quantity to be profitably extracted
both.
Copper is an element. It is a natural mineral found in the ground. It is extracted from the ground by mining similar to the mining of gold or iron.
1stly ground 2ndly panned with water, or chemically extracted (then precipitated)
niobium and tantalum
Crude oil is made from prehistoric decomposed plants formed millions of years ago, it is extracted using an oil rig. :)