A student commented, A metamorphic rock must have a greater relative age than a sedimentary rock. Is the student using the term relative age here in the correct context, and why or why not?
A) No. Relative age must compare the age of at least three things.
B) Yes. The ages of the rocks are ordered in relation to each other.
C) No. Relative age should state a specific number of years in which the event occurred.
D) Yes, the term is used in the correct context, however knowing how long ago these types of rocks formed would be useful.
Question 2
What is the most common way to name a geologic period?
A) by the name of the place where rocks of that period were first described
B) by the name of the tectonic continent that existed at that time
C) by the name of the scientist who first defined that period
D) by the name of the metamorphic processes that were occurring at that time
The principle of faunal succession uses animal fossils to tell relative time.
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