9000/10=900 people per square mile
C) Increased access to an area
Answer:
Asthenosphere
Explanation:
It is very ductile and is weak mechanically.
Across the world, mining contributes to erosion, sinkholes, deforestation, loss of biodiversity, significant use of water resources, dammed rivers and ponded waters, wastewater disposal issues, acid mine drainage and contamination of soil, ground and surface water.