Biology, 23.10.2019 00:50 gbprulesmile
Estimating the age of a rock layer
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use what you know about relative dating to choose the
correct answers from the drop-down menus.
ethan determines that layer b is 3.5 million years old.
due to the
he can
estimate that layer a is
years old
Answers: 3
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Answers: 1
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Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating
Answers: 2
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Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
Answers: 2
Estimating the age of a rock layer
o mun
use what you know about relative dating to choo...
o mun
use what you know about relative dating to choo...
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