Relative Dating Answers

Which correctly lists three different geologic features that help scientists determine the relative ages of rocks by their positions?

Which characteristic is shared by intrusions and faults?

The diagram shows horizontal rock layers.

A geologist finds some tilted sedimentary rock layers.Which conclusion can the geologist draw by looking at the rock layers?

Which is the first step that geologists must do to compare rock layers at distant locations?

In which situation is the principle of cross-cutting relationships useful in determining relative age?

This diagram shows rock formations forming.

A geologist finds four layers of sedimentary rock. She determines that no geologic events have shifted the layers. She labels the layers A, B, C, and D from the top to the bottom.Which statement about these layers is accurate?

A scientist finds a fossil that she thinks might make a good index fossil.Which characteristic does this fossil most likely have?

Which statement explains one reason why unconformities occur?