3. Homework • Unanswered A technological civilization that lasts for astronomically significant periods of time should make an obvious and visible impac the galaxy and should have figured out how to visit us by now. That leads to the question "So, where are they"? This statemen and question is usually referred to as Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. The Drake Equation. a The Fermi Paradox. The Copernican Principle. The Twin Paradox. The Third Law of Thermodynamics. e

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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3.
Homework • Unanswered
A technological civilization that lasts for astronomically significant periods of time should make an obvious and visible impaç
the galaxy and should have figured out how to visit us by now. That leads to the question "So, where are they"? This statemen
and question is usually referred to as
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
a
The Drake Equation.
b
The Fermi Paradox.
The Copernican Principle.
d
The Twin Paradox.
The Third Law of Thermodynamics.
e
Unanswered
A Submit
étv
MacBook Pro
Search or type URL
+)
(
6
7
8
9
Transcribed Image Text:A Res Answered 3. Homework • Unanswered A technological civilization that lasts for astronomically significant periods of time should make an obvious and visible impaç the galaxy and should have figured out how to visit us by now. That leads to the question "So, where are they"? This statemen and question is usually referred to as Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a The Drake Equation. b The Fermi Paradox. The Copernican Principle. d The Twin Paradox. The Third Law of Thermodynamics. e Unanswered A Submit étv MacBook Pro Search or type URL +) ( 6 7 8 9
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