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2. Use the information you studied in Unit 006-3A to answer at least 13 of the following

16 questions correctly.

a. What is formed in the area of contact when two different air masses meet?

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b. Which air mass takes a characteristic wedge shape when a warm front advances?

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c. What type of front occurs when warm air replaces cold air?

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d. What type of front occurs when cold air replaces warm air?

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e. What type of front occurs when a warm air mass is 1ifted above two colder air masses?

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f. What type of front occurs when neither the cold air mass nor the warm air mass is

advancing?

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g. What are the two types of occluded fronts?

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