PHSC 210 Quiz 3 – Questions and Answers
Which type of earthquake wave feels like being in a boat on the ocean?
All of the following happened during the 1980 eruption of Mount St. Helens except
If you drive through a road cut and see sedimentary layers folded in the shape of an arch, it would be ...
PHSC 210 Quiz 3 Question 1
2 out of 2 points
A crystal is sampled for radiometric dating. There is 12.5% parent and 87.5% daughter in the crystal Assuming that the system has remained closed, how many half-lives has the parent undergone?
Selected Answer:3
Question 2
2 out of 2 points
Which rule of geology states that, in an undisturbed sequence of sedimentary rocks, the oldest rock is at the bottom?
Selected Answer:Law of Superposition
Question 3
2 out of 2 points
Which type of fossilization is formed by the solidifying of tree sap?
Selected Answer:Amb
er
Question 4
2 out of 2 points
The thickest part of the earth is the
Selected Answer:mant
le
Question 5
2 out of 2 points
Choose the composite volcano
Selected Answer:Mount St. Helens, Washington
Question 6
2 out of 2 points
An instrument used to measure and record the magnitude of an earthquake is called a(n)
Selected Answer:seismogr
aph
Question 7
2 out of 2 points
Which one of the earth’s layers is predominantly liquid?
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