Lab Manual for Physical Science
Lab Manual for Physical Science
11th Edition
ISBN: 9781259601989
Author: Bill W Tillery
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 20, Problem 1AC

Small changes that result in the breaking up, crumbling, and destruction of any kind of rock are

a. decomposition.

b. weathering.

c. corrosion.

d. erosion.

Expert Solution & Answer
Check Mark
To determine

The changes that take place as a result of breaking up, crumbling and destruction of any kind of a rock from the following options:

Decomposition.

Weathering.

Erosion.

Corrosion.

Answer to Problem 1AC

Solution:

Option (b) is correct.

Explanation of Solution

Introduction:

Rocks are the compounds made up of combination of minerals. It is a naturally occurring substance. Weathering denotes physical or chemical break down of rocks. It is of two types: Chemical and Mechanical.

Explanation:

Reason for the correct option:

Weathering is the process of breaking down of rocks in the presence of earth atmosphere.

Hence, option (b) is correct.

Reason for the incorrect options:

Option (a) is incorrect because decomposition refers to the state of decay of minerals into rocks. So, it is a wrong answer.

Option (c) is incorrect because corrosion is defined as the destruction of rocks by some chemical reactions. So, it is a wrong answer.

Option (d) is incorrect because erosion is the removal of top layers of rocks by the movement of winds. So, it is a wrong answer.

Hence, options (a), (c) and (d) are incorrect.

Conclusion:

Small changes which result in the breaking up, crumbling and destruction of any kind of rock are weathering.

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Chapter 20 Solutions

Lab Manual for Physical Science

Ch. 20 - 11. Weathered materials move to lower elevations...Ch. 20 - 12. The slow movement downhill of soil on the...Ch. 20 - 13. The wide, level floor of a valley built by a...Ch. 20 - 14. The deposit at the mouth of a river where...Ch. 20 - 15. Rock fragments frozen in moving glacier ice...Ch. 20 - 16. The agent that has the least ability to...Ch. 20 - Prob. 17ACCh. 20 - Prob. 18ACCh. 20 - 19. What is the pH of natural rainwater? a. 5.0...Ch. 20 - 20. Freezing water exerts pressure on the wall...Ch. 20 - 21. Of the following rock weathering events, the...Ch. 20 - 22. Which of the following would have the...Ch. 20 - 23. Broad meanders on a very wide, gently sloping...Ch. 20 - Prob. 24ACCh. 20 - 25. A likely source of loess is a. rock...Ch. 20 - 26. The landscape in a dry climate tends to be...Ch. 20 - 27. Peneplains and monadnocks are prevented from...Ch. 20 - 28. The phrase weathering of rocks means a. able...Ch. 20 - 29. What are you doing to a rock if you pick up...Ch. 20 - 30. What are you doing to the fragments of a...Ch. 20 - 31. What are you doing to a rock if you dissolve...Ch. 20 - Prob. 32ACCh. 20 - 33. The soil called loam is a. all sand and...Ch. 20 - 34. A moraine is a a. wind deposit. b. glacier...Ch. 20 - 35. The breaking up, crumbling, chemical...Ch. 20 - 36. Crushing of rock at a quarry to make...Ch. 20 - 37. Fragments of rocks fall into a mountain...Ch. 20 - 38. Tree roots grow and expand, and eventually...Ch. 20 - 39. Damage to the Lincoln Memorial by rain and...Ch. 20 - 40. Ferromagnesian minerals will react with...Ch. 20 - 41. You are planning a garden and need a soil...Ch. 20 - 42. The formation of a shallow layer of water by...Ch. 20 - 43. The most extensive glaciers in the United...Ch. 20 - 44. Continental glaciers are found...Ch. 20 - 45. An example of a chemical weathering process...Ch. 20 - Prob. 1QFTCh. 20 - 2. Granite is the most common rock found on...Ch. 20 - 3. What other erosion processes are important as...Ch. 20 - 4. Describe three ways in which a river erodes...Ch. 20 - Prob. 5QFTCh. 20 - Prob. 6QFTCh. 20 - 7. What is a glacier? How does a glacier erode...Ch. 20 - 8. What is rock flour and how is it produced? Ch. 20 - 9. Could a glacier erode the land lower than sea...Ch. 20 - 10. Explain why glacial erosion produces a...Ch. 20 - Prob. 11QFTCh. 20 - Prob. 12QFTCh. 20 - 13. What essential condition must be met before...Ch. 20 - 14. Compare the features caused by stream...Ch. 20 - 15. Compare the materials deposited by streams,...Ch. 20 - 16. Why do certain stone buildings tend to...Ch. 20 - Prob. 17QFTCh. 20 - 18. Discuss all the reasons you can in favor of...Ch. 20 - Prob. 1FFACh. 20 - 2. Speculate whether the continents will ever be...Ch. 20 - Prob. 3FFACh. 20 - Prob. 1PEBCh. 20 - 2. The average rate of chemical weathering of...Ch. 20 - 3. A slope is creeping at a rate of 1.2 mm/yr. A...Ch. 20 - Prob. 4PEBCh. 20 - Prob. 5PEBCh. 20 - Prob. 6PEBCh. 20 - 7. The elevation of a streambed is surveyed near...Ch. 20 - 8. Each year, sheet erosion removes 0.9 mm of...Ch. 20 - Prob. 9PEBCh. 20 - Prob. 10PEBCh. 20 - 11. The discharge (Q) of a stream is the velocity...Ch. 20 - 12. What is the velocity (v) of a stream with a...Ch. 20 - Prob. 13PEBCh. 20 - 14. A 1998 survey of glacial end moraines...Ch. 20 - 15. Rates of tectonic uplift can be determined...
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