What is an isolated hill with steep sides and a flat top?

What is a natural depression of the Earth's surface, usually containing water?

What are the largest bodies of salt water on Earth called?

What is a slow moving mass of ice that is formed by accumulation and compaction of mountains, near the poles?

What is a passage of water that connects two larger bodies of water?

What is a group of islands known as?

What is the beginning of a river?

What is a smaller river or stream that flows into a larger river known as?

What do we call land that is surrounded by water on 3 sides?

What is a narrow strip of land that connects two larger pieces of land?

Wetlands that form when rivers empty their water and sediment at the mouth of another body of water...

A very small island that has little to no vegetation and cannot support human life...

A large body of water surrounded by land; usually fresh water...

Land surrounded by water on all sides.

Large flat area of land with few trees.

Body of salt water that is an inlet from an ocean; partially enclosed by coastline?