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Question 1 1. Consider a bike coasting along a flat road. Which of the following accounts for the fact that the bike will eventually come to a stop?
Question 2 2. A scientist has observed animals in a particular habitat for some time. She notices that the slowest gazelles tend to fall victim to predators more frequently than faster ones. Over time, she notes that the gazelle herd on average runs faster. She is observing:
Question 3 3. How do astronomers find black holes?
Question 4 4. What is the only planet in our solar system, other than Earth, that may have had life at some point in its history?
Question 5 5. Opacity is caused by the _____ of light waves.
Question 6 6. An energy audit involves _____.
Question 7 7. An example of a good conductor is:
Question 8 8. A magnetic field cannot exert a force on a charged particle unless:
Question 9 9. Which of the following statements about helper T cells is FALSE?
Question 10 10. Sickle Cell Anemia is called an 'anemia' because _____
Question 11 11. Where in the Milky Way galaxy is our solar system located?
Question 12 12. Gas can be turned into a plasma on Earth with the addition of:
Question 13 13. According to metapopulation theory, what will happen when a population of a particular species goes locally extinct in a particular patch of habitat?
Question 14 14. Which of the following is NOT a part of the inflammatory response?
Question 15 15. Convection is:
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