Regions divided into smaller parts are called____.

• subtraction

• subregion

• state

• country

What are gated passageways used to raise or lower boats in a waterway?

• canal

• levees

• locks

• lakes

A small river that flows into a larger river.

• tundra

• tributary

• levee

• fall line

A raised riverbank to control flooding.

• levee

• lock

• lake

• river

The flat, lowland area along a coast.

• beach

• island

• ridge

• coastal plain

The area where waterfalls flow from higher to lower ground.

• frontier

• river

• fall line

• lock

A storm with strong winds and heavy rains.

• tornado

• hurricane

• tsunami

• earth quake

Living or existing naturally in a particular place.

• immigrant

• old

• indigenous

• optional

A person sent to live in a new place and claim land for his or her home country.

• colonist

• immigrant

• old

• coup

The practice of growing crops and raising livestock.

• city

• industry

• agriculture

• technical