If shallow then it is mined using a "strip" mining technique. If it is deep then it is mined in deep mine collieries.
Helium is an inert gaseous element. This is a sentence using the word "element".
Sulfuric Acid ------- No. Nitrogen can be made to react with hydrogen under special conditions to make ammonia. This is done industrially using the Haber process.
The permutit process is using a chemical reaction to soften hard water by using zeolite.
potassium
Sulfur, Mygrandfather worked in a plant that did the refining end of this work, the Stauffer Chemical company of (then) Bayonne. The Frasch Process was later expanded into other industrial and it is rumored, even medical venues. blad
it is mined using surface mining
If shallow then it is mined using a "strip" mining technique. If it is deep then it is mined in deep mine collieries.
The process is called calcination or lime-burning. This mined from the Wikipedia article on calcium oxide. A link is provided.
By using the open cast method.
by using tools
Solid Minerals such as Gold and Copper are mostly mined using the Open Cast Method.
Yes
limestone
They bought and traded with Asia using the silver and gold mined in Mexico and peru.
environment and society
P+ -e= -P