Amu Scin138 Lab 9

Lab Lesson 9: Geologic Time (p.203) due end of week 3

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Part 1 of 1 - 100.0/ 100.0 Points

Question 1 of 31 3.0/ 3.0 Points

Questions 1 through 3 are based on the Lab Exercise, Step 2.

Record your answer to Lab Exercise, Step 2, Question 11. How long ago was the igneous rock in rock unit B formed?

A. 352 mya

B. 380 mya

C. 704 mya

D. 1408 mya

Answer Key: A
Question 2 of 31 3.0/ 3.0 Points

Record your answer to Lab Exercise, Step 2, Question 12. How long ago was the igneous rock in rock unit C formed?

A. 70.4 mya

B. 140.8 mya

C. 352 mya

D. 704 mya

Answer Key: B
Question 3 of 31 3.0/ 3.0 Points

Record your answer to Lab Exercise, Step 2, Question 13. How long ago was the metamorphic rock in rock unit G formed? A. 625 mya

B. 704 mya

C. 1250 mya

D. 2500 mya

Answer Key: C
Question 4 of 31 3.0/ 3.0 Points

Questions 4 through 8 are based on the Lab Exercise, Step 3. 4.

Record your answer to Lab Exercise, Step 3, Question 14. How long ago were the fossils found in Layer A formed? A. 65.5–145.5 mya B. 201.6–145.5 mya C. 251–201.6 mya D. 299–251 mya

Answer Key: B
Question 5 of 31 3.0/ 3.0 Points

During what period were the fossils in Layer A formed?

A. Cretaceous Period

B. Triassic Period

C. Jurassic Period

D. Cambrian Period

Answer Key: C
Question 6 of 31 3.0/ 3.0 Points

Record your answer to Lab Exercise, Step 3, Question 15. How long ago were the fossils found in Layer D formed? A. 251–299 mya

B. 359–299 mya

C. 416–359 mya

D. 444–416 mya

Answer Key: D
Question 7 of 31 3.0/ 3.0 Points

During what period were the fossils in Layer D formed? A. Permian Period

B.