Match the types of galaxies to the pictures.

Which part of our galaxy is the youngest?

Match the populations of stars to their descriptions.

The cosmological principle says that

What is the most common type of galaxy?

Categorize the differences between renewable and nonrenewable resource. What are some examples of each?

A geologist studies a mass-wasting event that occurred underwater where the evidence indicates the mass remained coherent as it moved. With this information, the geologist can conclude that the mass-wasting event is what we call a

Name the types of metamorphism that occurs next to an igneous intrusion. Describe the effects that this type of metamorphism has on the preexisting (country) rock surrounding the intrusion.

Why do deep-focus earthquakes occur along convergent boundaries? Why are they absent along divergent or transform boundaries?

Normal faulting is most often associated with mountain building along __________ boundaries, whereas reverse faulting is typically observed at __________ boundaries.