A. What are two structures formed through erosion? (2 points)
B. What is one structure formed through the deposition of sediment? (2 points)

Using complete sentences, describe the central economic problem facing all humans. why does this require people to make choices? how can this result in opportunity costs?

What is the difference between external & internal migration

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform