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P1B 13Advancing and Retreating Coastlines

P1B 13Advancing and Retreating Coastlines

Assessment

Flashcard

Geography

11th Grade

Practice Problem

Hard

Created by

Van Zyl

FREE Resource

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11 questions

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1.

FLASHCARD QUESTION

Front

What are advancing and retreating coastlines?

Back

Advancing coastlines occur when the sea moves further away from the land, while retreating coastlines occur when the sea moves inland and floods low-lying land.

2.

FLASHCARD QUESTION

Front

What are eustatic changes?

Back

Eustatic changes refer to worldwide shifts in the actual volume of water in the oceans.

3.

FLASHCARD QUESTION

Front

What causes eustatic drop?

Back

During an Ice Age, most precipitation falls as snow and gets locked up in ice sheets and glaciers, reducing water in oceans. Ocean temperature decrease also causes water to contract, decreasing ocean volume.

4.

FLASHCARD QUESTION

Front

What causes eustatic rise?

Back

After an Ice Age, glaciers and ice sheets melt, increasing ocean volume. Thermal expansion of warmer water also contributes to rising sea levels.

5.

FLASHCARD QUESTION

Front

What are isostatic changes?

Back

Isostatic changes relate to vertical land movement, often due to the weight of ice during an Ice Age or tectonic forces.

6.

FLASHCARD QUESTION

Front

What causes isostatic change during and after an Ice Age?

Back

During an Ice Age, ice sheets push the Earth's crust downward (crustal subsidence). After an Ice Age, as ice melts, the land rises back up (isostatic rebound).

7.

FLASHCARD QUESTION

Front

What are landforms created by advancing coastlines?

Back

Advancing coasts can result in emergent coastlines with features like raised beaches and relict cliffs.

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