Peninsula
Depressions
Oceanic trenches
Plateau
Mountains
Continental shelf
Plain
Gulf
Cape
High plain over 200 metres in altitude
It is an extension of the land surruonded by water on all but one side
Sunken areas that are usually crossed by rivers and sometimes occupied by lakes
It is a section of the land that extends into the sea
Flat or gently undulating land with an altitude of no more than 200 metres above sea level
Elevated land more than 600 metres in altitude with steep slopes.
It is a part of the sea that extends into the sea
Narrow elongated depressions
It is a gentle incline that extends out from the continents under the marine water