Because that’s where Rocky Mountains are located and that’s where the most copper in the USA can be found. All the mines are located in the same region because there’s the most copper and people can get it there.
<span>(A)SPIT
Spit also known as sand spit is a stretch of beach or sand built up that projects into the water. Spits are caused by wind blowing at an angle to the coastline, resulting in long-shore drift. The material moved during long-shore drift becomes deposited therefore causing a spit.</span>
Answer:

A proper fraction is a fraction whose numerator is smaller than its denominator 3/4, 2/11, and 7/19 are proper fractions
Sam bought a new car seven years ago today - absolute age
Sarah s company was formed a few years after James’s company - relative age
Luke’s school was built in December, 100 years ago. - relative age
Alice’s school is older than Luke’s school - relative age
Louisa owned a car long before Sam - relative age
James’ company has been in existence since 1991 - absolute age
relative age - the age of an event is determined in relation with another event (or another person)
Absolute age - the age of an event is a fixed moment in time, which can be traced back with precision and does not depend on another event, person or age