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1) Discuss the major environmental impacts of mining operations. 2) What are the arguments for and...

1) Discuss the major environmental impacts of mining operations.

2) What are the arguments for and against genetically modified crops? Discuss the scientific,

economic, and political issues.

3) How can algal growth be a problem in a freshwater system?

4) Explain and give an example of biomagnification. Identify two key characteristics of toxins

that become biomagnified.

5) Is extinction natural? How has the extinction rate changed over time? Why are extinction rates

today different from past extinction rates?

6) Explain human population growth in terms of carrying capacity. How does this differ from

organisms that exist in natural ecosystems? Explain how population growth for human

populations is a problem?

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according to HomeworkLib policy i answered the first four questions.

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