Highwall mining is often used when excavating an open-pit mine becomes too expensive. There are many advantages over underground mining, including the fact that it is both more cost-effective and involves less lead time.
Answer:B
Explanation:
I am in AP Human Geography and we just answers this in a test
Answer:
In studying human/environment interaction, geographers look at the positive and negative effects that occur when people interact with their environment.
There are currently 9 Supreme Justices, one Chief Justice and eight Associate Justices