Assignment due in two hours

1. List six environmental dilemmas that we now face and summarize how each concerns us (12 points)

2. What is extreme poverty, and why should we care? (5 points)

3. Why should we be worried about economic growth in China? (5 points)

4. How much would it cost to eliminate acute poverty and ensure basic human needs for everyone? (5 points)

5. Why are indigenous people important as guardians of nature? (5 points)

CHAPTER 2 QUESTIONS: (36 points total)

1. Why are widely accepted, well-defended scientific explanations called “theories”? (5 points)

2. Draw a diagram showing the steps of the scientific method, and explain why each is important. (12 points)

3. What is positive feedback loop? What is a negative feedback loop? Give an example of each. (8 points)

4. Why do we say that proof is elusive in science? (5 points)

5. What is a manipulative experiment? A natural experiment? A controlled study? (6 points)