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Biology, 20.09.2019 20:00 kmarti11owj2q2

1. which term refers to the way light interacts with the surface of a rock or mineral?
cleavage-
luster
density
hardness
2.what will happen in an area where large deposits of a desired mineral are found? select the two correct answers.
tourism in the area will increase in the short term.
the area will experience a downturn once all of the available resources are mined-
the area will experience a population decrease in the short term-
the area will experience a short-term economic boom.
people in the area will have long-term job security.
3.how can both surface and underground mining affect miners' health? select the two correct answers.
risk of injuries from methane explosions
risk of injuries from heavy equipment
risk of injuries from mine collapse-
risk of lung disease, like silicosis-
risk of high blood pressure
4.which statements accurately compare the environmental impact of surface mining to the environmental impact of underground mining? select the two correct answers.
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.
surface mining causes more destruction of land ecosystems than underground mining-
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.
5.the use of which material can substitute for copper and reduce copper mine production?
aluminum
glass
quartz-
gold
6.what is the goal of land reclamation of mining sites?
to restore environmental vitality to land degraded from mining-
to create a commercial use for land degraded by mining
to reclaim the land's value after mining is complete
to maximize profits from mining
me
it's actually earth science

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1. which term refers to the way light interacts with the surface of a rock or mineral?
cleava...

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