1 What is the goal of land reclamation of mining sites?(1 point)
Responses
to maximize profits from mining
to reclaim the land's value after mining is complete
to restore environmental vitality to land degraded from mining
to create a commercial use for land degraded by mining
to create a commercial use for land degraded by mining
2 Which statements accurately compare the environmental impact of surface mining to the environmental impact of underground mining? Select the two correct answers.(1 point)
Responses
Surface mining causes more destruction of land ecosystems than underground mining.
There is a higher risk of release of dangerous gases in surface mining than in underground mining.
Both surface mining and underground mining risk causing severe water pollution.
The risk of sinkholes is higher in surface mining than in underground mining.
Underground mining causes more issues with dust and particulates than surface mining.
3 Which term refers to the way light interacts with the surface of a rock or mineral?(1 point)
Responses
luster
cleavage
density
hardness