What is the name of the land form remaining after a sea arch collapses?

1.canyon
2.sea stack
3.sea cliff
4.hoodoo

3 answers

The landform that remains after a sea arch collapses is called a sea stack. So the correct answer is 2. sea stack.

Which land form is evidence of wind erosion?
1.U-shaped valleys
2.sand dunes
3.Grand Canyons
4.hoodoos

The landform that is evidence of wind erosion is sand dunes. So, the correct answer is 2. sand dunes.