What is this?
Island
What is this?
Mountain
What is this?
Valley
What is this?
Delta
What is this?
Gulf
What is this?
Cape
What is this?
Peninsula
What is this?
Plateau
What is this?
Oceanic trench
What is this?
Mid-ocean ridge
What is this?
Continental shelf
What is this?
Continental slope
What is this?
Abyssal plain
What is this?
Depression
What is this?
Mountain range
What is this?
Plain
