Biology, 30.07.2019 14:20, alissalhenry
Coal, a nonrenewable resource, is the most abundant fossil fuel produced in the united states. although environmental laws and modern technologies have reduced the impact on the environment from the production of coal, coal mining continues to disrupt nearby aquatic ecosystems. all but one of these are negative impacts of coal mining on aquatic ecosystems. that is a) increased atmospheric carbon dioxide. b) mining debris clogging mountain streams. c) run-off carrying toxins into groundwater. d) increased acidity of nearby lakes and streams.
Answers: 2
Biology, 22.06.2019 14:20, strevino9178
When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?
Answers: 1
Biology, 22.06.2019 14:30, esperanzar3034
The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?
Answers: 1
Coal, a nonrenewable resource, is the most abundant fossil fuel produced in the united states. altho...
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