Relative Dating

Question 1

Which statement about how geologists study the ages of rock layers is true?

Revolt · Accepted Answer

The principle of original horizontality provides the basis for the law of superposition.

Question 2

Use the law of superposition to choose the correct answer for the following questions about rock layers and relative age.

Revolt · Accepted Answer

✔ Layer 8; Which layer is older than Layer 6?: Layer 8; Which layers are younger than Layer 4?: Layers 2 and 3; Layers 7 and 9

Question 3

Layers 3 and 5 ✔ Layers 2 and 3Layers 5 and 6

Revolt · Accepted Answer

✔ Layers 2 and 3

Question 4

Layers 1 and 2 ✔ Layers 7 and 9Layers 4 and 6

Revolt · Accepted Answer

✔ Layers 7 and 9

Question 5

Use the drop-down menus to answer the questions about the diagram.

Revolt · Accepted Answer

✔ intrusion; Letter H is a(n) .: intrusion; Which of these is youngest?: Letter G; Which of these was eroded?: Letter F; Which happened first?: Letter F was deposited.

Question 6

Letter ELetter F✔ Letter G

Revolt · Accepted Answer

✔ Letter G

Question 7

Letter A✔ Letter FLetter I

Revolt · Accepted Answer

✔ Letter F

Question 8

Letter I was deposited. Letter G occurred. ✔ Letter F was deposited.

Revolt · Accepted Answer

✔ Letter F was deposited.

Question 9

Answer the questions about the diagram.

Revolt · Accepted Answer

Organism appears in the least outcrops.: D; Organisms are the oldest.: B and C; Organism would make the best index fossil.: A

Question 10

A and B✔ B and CC and DD and A

Revolt · Accepted Answer

✔ B and C

Relative Dating Answers

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