Chapter #23 Solutions - Physical Science with Modern Applications - Melvin Merken - 5th Edition

 

1. Why is earth called the “water planet”? Get solution

2. What are the oceans used for? Get solution

3. How does the average depth of the oceans compare with the average elevation of the continents? Get solution

4. What is meant by the “heat budget” of the ocean? Get solution

5. Why is the sea cold? Get solution

6. Why is the sea dark? Get solution

7. Discuss the interdisciplinary nature of oceanography. Get solution

8. Explain why our knowledge of the ocean has increased by leaps and bounds in recent years. Get solution

9. Discuss some of the tools that are now available for observing the ocean. Get solution

10. How is a knowledge of the speed of sound in ocean water used to determine the topography of the ocean floor? Get solution

11. How are continental shelves different from continental slopes? Get solution

12. How are submarine canyons formed? Get solution

13. What are some features of the deep-sea bottom? Get solution

14. How are seamounts and tablemounts related? Get solution

15. Where is the youngest part of the ocean floor? Get solution

16. Why are turbidity currents effective as agents of submarine erosion? Get solution

17. In what way may mid-oceanic ridges and deep-sea trenches be related to plate tectonics? Get solution

18. How are features of the continental shelf related to adjacent land masses? Get solution

19. What made the discovery of hydrothermal vents the oceanographic discovery of the decade? Get solution

20. Can anything be done to reduce marine pollution? Explain. Get solution

21. What are the attractions of offshore drilling and mining? Get solution

22. Discuss some instruments now available to observe the ocean. Get solution

23. What are the most valuable resources presently obtained from beneath the sea floor? Get solution

24. Is desalination of seawater a viable means of obtaining water that is fit to drink? Discuss. Get solution

25. Multiple ChoiceA. The oceans cover about what percentage of the earth’s surface?(a) 25(b) 50(c) 70(d) 90B. Undersea volcanoes are known as(a) submarine canyons.(b) seamounts.(c) sea-floor plains.(d) trenches.C. A theory that explains the origin of the ocean is(a) degassing.(b) oceanography.(c) desalination.(d) turbidity current.D. A zone of the ocean in which the temperature decreases rapidly with depth is called the(a) continental shelf.(b) continental slope.(c) thermocline.(d) heat budget.E. Features of the ocean floors can be determined by(a) sonar.(b) Nansen bottle.(c) bathythermograph.(d) telescope. Get solution