Please .I need some help. I am trying to take a test but i dont have a book
Earth Science
Unit 1B Test: Geologic Time and Earth History
(One of the choices has been eliminated for each questions below.
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1.
An example of a geologic event that could be recorded in rocks is ____.
(1 point)
the occurrence of sun spots
a volcanic eruption
a lunar eclipse
2.
"The present is the key to the past." This statement rephrases the ____.
(1 point)
principle of,