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3.1 The bottom of the valley at area M on the topographic map experiences frost during the early hours of the morning during winter - NSC Geography - Question 3 - 2018 - Paper 2

Question 3

3.1-The-bottom-of-the-valley-at-area-M-on-the-topographic-map-experiences-frost-during-the-early-hours-of-the-morning-during-winter-NSC Geography-Question 3-2018-Paper 2.png

3.1 The bottom of the valley at area M on the topographic map experiences frost during the early hours of the morning during winter. 3.1.1 Name the local/tertiary w... show full transcript

Worked Solution & Example Answer:3.1 The bottom of the valley at area M on the topographic map experiences frost during the early hours of the morning during winter - NSC Geography - Question 3 - 2018 - Paper 2

Step 1

3.1.1 Name the local/tertiary wind that is responsible for the formation of frost.

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Answer

The local wind responsible for the formation of frost is known as the Katabatic wind.

Step 2

3.1.2 Explain how the wind named in QUESTION 3.1.1 causes frost.

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Answer

Katabatic winds cause frost by cooling the air as it descends from higher altitudes. The wind moves down the slopes, cooling the air in contact with the surface. This cooler air becomes denser and can cause temperatures to drop below freezing, leading to frost formation.

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