How come we don't see many fossils on Earth?

Besides moving water, what other forces cause erosion?

What has steep, sloping sides that is usually eroded by a river?

What has water moving over harder rock, which then erodes the softer rock beneath?

Which of the following allowed Egyptians to grow crops, especially during seasonal floods?

Which of the following has a wide, flat area around a river that includes a wide area of erosion?

Which of the following has loop-like bends in the course of a river?

Which of the following is a meander that has been cut off and left to dry up?

Which of the following is a wide sloping deposit of sediment formed when a stream or river leaves a mountain range?

Which of the following is formed when a river flows into an ocean or lake?

What is pictured here at the end of the Nile?

The entire structure in this image is known as a(an)

The structure in this image is known as a(an)

The structure to the left in this image is known as a(an)

People in this image are finding diamonds at the bottom of the river because of what force?

Which substance allowed this hole to open up?

What force is NOT on the moon, and is inevitably the reason this footprint will remain in the soil for many, many years?