Could someone check my questions for the Age of Earth Unit Test, Unit 7, Lesson 8?

Could someone check my questions for the Age of Earth Unit Test, Unit 7, Lesson 8?

1. Which statement describes the relative age of a fossil that has formed inside a layer of rock?
A: The fossil is younger than the layer of rock it was formed in.

2. A fault cuts across several layers of rock. Which conclusion can be made?
A: The fault is younger than the layers of rock based on the law of crosscutting.

3. What do the law of superposition and the law of inclusion have in common?
A: Both laws describe relative ages of rocks.

6. Which statement explains why ammonites are a good example of an index fossil?
A: Ammonites existed for a relatively limited period of time.

Are my questions correct?