Physical Science
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
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Chapter 21, Problem 1AC

Evidence of former life is called a

a. ghost.

b. fossil.

c. history.

d. relic.

Expert Solution & Answer
Check Mark
To determine

From the following options, the evidence of former life is:

ghost.

fossil.

history.

relic.

Answer to Problem 1AC

Solution:

Option (b) is the correct answer.

Explanation of Solution

Introduction:

Fossils provide the evidence of the events that have occurred in the history of the earth and the evolution of life.

Explanation:

Reason for correct option:

The word fossil originally meant anything dug up from the earth but now days it’s meaning has been changed to that and it gives the evidence of ancient organism, embedded in a rock for a long time.

Hence, option (b) is correct.

Reason for incorrect option:

Option (a) is incorrect because the word ghost does not show any evidence of life.

Option (c) is incorrect because it is due to the fossil the evidence of the ancient organism’s history is known.

Option (d) is incorrect because relic is another word for artefacts which can be any age.

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

Conclusion:

The evidence of former life is obtained from a fossil.

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Chapter 21 Solutions

Physical Science

Ch. 21 - 11. Distinctive fossils of plants or animals that...Ch. 21 - Prob. 12ACCh. 21 - Prob. 13ACCh. 21 - Prob. 14ACCh. 21 - Prob. 15ACCh. 21 - Prob. 16ACCh. 21 - Prob. 17ACCh. 21 - Prob. 18ACCh. 21 - Prob. 19ACCh. 21 - Prob. 20ACCh. 21 - Prob. 21ACCh. 21 - Prob. 22ACCh. 21 - Prob. 23ACCh. 21 - Prob. 24ACCh. 21 - Prob. 25ACCh. 21 - 26. Which of the basic guiding principles used to...Ch. 21 - Prob. 27ACCh. 21 - Prob. 28ACCh. 21 - 29. Correlation and relative dating of rock units...Ch. 21 - Prob. 30ACCh. 21 - 31. You would expect to find the least number of...Ch. 21 - Prob. 32ACCh. 21 - Prob. 33ACCh. 21 - Prob. 34ACCh. 21 - 35. An early record about the discovery of...Ch. 21 - Prob. 36ACCh. 21 - Prob. 37ACCh. 21 - 38. A geologic feature that cuts across or is...Ch. 21 - Prob. 39ACCh. 21 - Prob. 40ACCh. 21 - Prob. 41ACCh. 21 - Prob. 42ACCh. 21 - Prob. 43ACCh. 21 - Prob. 44ACCh. 21 - Prob. 45ACCh. 21 - Prob. 46ACCh. 21 - 1. What is the principle of uniformity? What are...Ch. 21 - 2. What is the geologic time scale? What is the...Ch. 21 - 3. Why does the rock record go back only 3.8...Ch. 21 - 4. Do igneous, metamorphic, or sedimentary rocks...Ch. 21 - 5. What major event marked the end of the...Ch. 21 - 6. Briefly describe the principles and...Ch. 21 - Prob. 7QFTCh. 21 - 8. Describe how the principles of superposition,...Ch. 21 - Prob. 9QFTCh. 21 - Prob. 10QFTCh. 21 - 11. Describe some of the things that fossils can...Ch. 21 - 1. Analyze the significant reasons that a pot...Ch. 21 - Prob. 2FFACh. 21 - 4. What are the significant differences between...Ch. 21 - 5. Summarize why the different blocks of time...Ch. 21 - 6. The history of Earth has been one of many...Ch. 21 - 1. A sequence of deep marine shale that spans the...Ch. 21 - Prob. 2PEBCh. 21 - Prob. 3PEBCh. 21 - 4. The absolute age of a rock is its age in...Ch. 21 - 5. The absolute age (age in years) of sedimentary...Ch. 21 - 6. A sequence of rocks consists of a flat-lying...Ch. 21 - 7. A student examining a roadcut excavated...Ch. 21 - 8. A cliff has the following sequence...Ch. 21 - Prob. 9PEBCh. 21 - Prob. 10PEBCh. 21 - Prob. 11PEBCh. 21 - Prob. 12PEBCh. 21 - Prob. 13PEBCh. 21 - Prob. 14PEBCh. 21 - 15. Two outcrops separated by a distance of 32 km...
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