subject
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

ansver
Answers: 1

Another question on Biology

question
Biology, 21.06.2019 16:00
Identify the main component f natural gas
Answers: 3
question
Biology, 21.06.2019 20:00
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
Answers: 1
question
Biology, 22.06.2019 02:30
Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .
Answers: 2
question
Biology, 22.06.2019 08:00
How water is moving through the ecosystem ?
Answers: 2
You know the right answer?
1. which term refers to the way light interacts with the surface of a rock or mineral?
cleava...
Questions
question
Social Studies, 21.12.2020 18:20
question
Mathematics, 21.12.2020 18:20
Questions on the website: 13722363