Concept explainers
The premise that the present is the key to understanding the past is called
history.
principle of uniformity.
principles of geology.
philosophy.
From the following options, the premise that the present is the key to understanding the past is known as:
History
Principle of uniformity
Principles of geology
Philosophy
Answer to Problem 1AC
Solution:
Option (b) is correct.
Explanation of Solution
Introduction:
James Hutton introduced the idea of unchanging, catastrophically formed landscapes.
Explanation:
Reason for correct option:
This idea of Hutton led to the concept of uniform changes, i.e., current changes are consistent with changes that take place in the distant past. This frame of reference is called the principle of uniformity.
The principle of uniformity may be represented by a single statement, “the present is the key to the past”.
Hence, option (b) is correct.
Reasons for incorrect option:
History is the study of past. Hence, option (a) is incorrect.
There is no such phrase as principles of geology. Hence, option (c) is incorrect.
Philosophy is the study of meaning, existence and knowledge. Hence, option (d) is incorrect.
Conclusion:
Principle of uniformity is codified by the phrase that the present is the key to understand the past.
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Chapter 19 Solutions
PHYSICAL SCIENCE
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