Ontario

What happens to the tops of mountains as they get older?

• They become sharper

• They become more rounded

• They become taller

• They become wider

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Which of the following best describes a plateau?

• A lowland between two mountains.

• A body of land completely surrounded by water.

• A flat area of land with steep sides and a flat top.

• A narrow body of fresh water.

What is the key difference between an isthmus and an island?

• An isthmus is completely surrounded by water, while an island is not.

• An isthmus is connected to a mainland, while an island is completely surrounded by water.

• An isthmus is a body of water, while an island is a body of land.

• An isthmus is always larger than an island.

What is a key characteristic that distinguishes a river from a lake?

• Rivers are always salt water, while lakes are fresh water.

• Rivers are completely surrounded by land, while lakes are not.

• Rivers are narrow and usually lead to another body of water.

• Rivers are typically much wider than lakes.