It's gold mining because people have to dig for gold which can destroy the ecosystem.
The answer is: Murmuring ;)<span />
Answer:
because they don't have knowledge to control birth rate and because of child marriage too
Answer:
Explanation:
easy: art, maths
difficult: writing essays, procrastination
Answer:
The expansion of railroads impacts the development of the United States by creating jobs, establishing a national market, establishing a cattle industry on the Plains, and allowing certain people to acquire great wealth through investing in the railroad.
