Match the types of galaxies to the pictures. [Image 1] [Image 2] [Image 3]

The idea that physical laws must be the way they are because otherwise we could not be here to measure them is

Most of the helium in the Universe formed

The cosmological principle says that

The inner edge of a meander, where sediment is deposited, is called a(n)

What attributes would a clastic sedimentary rock have if it had traveled far from its source and was carried in a current with uniform energy?

The base level of a stream would __________ if a dam and a reservoir were constructed close to its headwaters.

How does coal form? How does this process differ from the ones that yield oil and gas?

Compare and contrast debris flows, mudflows, and lahars.

Place the layers and geologic events in order from oldest to youngest. Make sure to include all of the layers and events, including the top surface. (There will be one event/layer per line when complete.) Youngest Oldest