Question

Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Complete the paragraph by using the drop-down menus. In this lab, you determined the relative ages of rock layers using the principles of relative dating. The says that a rock layer found closer to Earth’s surface is a rock layer that is deeper in Earth’s surface. The states that intrusions are the rock layer they cut across. You also determined the absolute ages of rock layers using a . The data you gathered helped you identify an unknown fossil.

Answer 1

Answer: Law of superposition, younger than, principle of cross-cutting relationships, younger than, mass spectrometer

Step-by-step explanation:

Answer 2

Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Complete the paragraph by using the drop-down menus.

In this lab, you determined the relative ages of rock layers using the principles of relative dating. The

✔ law of superposition

says that a rock layer found closer to Earth’s surface is

✔ younger than

a rock layer that is deeper in Earth’s surface. The

✔ principle of cross-cutting relationships

states that intrusions are

✔ younger than

the rock layer they cut across. You also determined the absolute ages of rock layers using a

✔ mass spectrometer

. The data you gathered helped you identify an unknown fossil.

Step-by-step explanation:

the checked ones are the right answers