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Q5: What is required in order for a
Q13: The deepest zone in a large lake,
Q16: The ability to meet humanity's current needs
Q25: Anthracite coal<br>A) causes the most air pollution<br>B)
Q29: Examples of non-sustainable human activities or behaviors
Q30: What is humus? Briefly explain why it
Q31: There is good news and bad news
Q39: Describe two characteristics of the arctic tundra
Q44: Which of the following are NOT environmental
Q50: Which of the following is a true