1. Which statement best describes what Earth’s outer layer is like underneath the surface in the image? a
Underneath both the soil and the ocean, Earth’s outer layer is made of sand and water.

b
Underneath both the soil and the ocean, Earth’s outer layer is made of hard, solid rock.

c
Underneath the soil, Earth’s outer layer is made of hard, solid rock. Underneath the ocean, Earth’s outer layer is made of sand.

d
Underneath the soil, Earth’s outer layer is made of water.

2. Dr. Raisa and her team of geologists have been studying GPS data that shows that two plates moved apart. Which diagram shows what happened between the two plates as they moved away from each other?

a
Diagram A: A new plate from underneath filled in the gap that was created by the plates moving apart.

b
Diagram B: Sand and dirt filled in the gap that was created by the plates moving apart.

c
Diagram C: Ocean water filled in the gap that was created by the plates moving apart.

d
Diagram D: Soft, solid rock from underneath the plates rose and hardened, adding solid rock to the edges of both plates.