The answer is D because they would have to make quarries just below the surface to mine
Mineral ores much quicker (Quarries- a large hole/pit under ground used to get stone and minerals)
Chemical change. Compounds and molecules in the milk are reacting with the air and breaking down and forming new molecules.
Hydrogen oxygen argon carbon hope you get a 100
A lone pair is a pair of valence electrons that are not shared with another atom and is sometimes called a non-bonding pair.
Answer:
because they take thousands or even millions of years to naturally replenish or replaced , which is not the average human lifetime
