Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 20, Problem 8AC
A mixture of unconsolidated weathered earth materials and humus is
a. gravel.
b. soil.
c. dirt.
d. mud.
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Students have asked these similar questions
13. How deep in the crust is 10 kbar? Lithostatic pressure within the crusts results from the
weight of the rocks above. Assume an average density of 2750 kg/m3. Use the equation
P=p*g*h or P/(p *g)=h 23kPa/m
P=pressure (e.g. kbar), p=density, g-gravity 9.8 m/s2, h= depth (m), 1 kbar=1,000 bars, 1
bar=100,000 Pa, 1 Pa=kg/(m*s2), 1 kbar =100,000,000 Pa, 1 km =1000 m. Give your answer in
kilometers.
12. Which part of the earth makes up about one-third of earth’s total mass and is mostly iron witha solid part and a part that acts like a liquid?A. mantle
B. core
C. crust
D. asthenosphere
11. Which part of the Earth is a hot, elastic semi-liquid layer that extends around the entire Earth?A. crust
B. core
C. mantle
D. asthenosphere
Chapter 20 Solutions
Physical Science
Ch. 20 -
1. Small changes that result in the breaking up,...Ch. 20 -
2. The process of physically removing weathered...Ch. 20 -
3. Muddy water rushing downstream after a heavy...Ch. 20 -
4. The physical breakup of rocks without any...Ch. 20 -
5. Chemical weathering, the dissolving or...Ch. 20 -
6. The process of peeling off layers of rock,...Ch. 20 -
7. The weak acid formed by the reaction of water...Ch. 20 -
8. A mixture of unconsolidated weathered earth...Ch. 20 -
9. Decay-resistant, altered organic material...Ch. 20 -
10. Two minerals that usually remain after...
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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- 1. Answer the following questions about porosity and permeability: a) Name three (3) parameters which are involved in calculation of porosity. b) Name four geological mechanisms affecting porosity values. c) Describe effect of sorting on porosity.arrow_forwardWhich metamorphic change is brought about primarily by heat? (22.6) (a) shear (b) contact (c) hydrothermal (d) regionalarrow_forwardWhat is the process of transforming sediment into sedimentary rock called?(22.5) (a) lithification (b) striation (c) metamorphism (d) hardeningarrow_forward
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