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Define a warm front including its slope and direction of movement:

a) Advances warm air; gently sloping; westward
b) Advances cold air; gently sloping; eastward
c) Advances warm air; steeply sloping; westward
d) Advances cold air; steeply sloping; eastward

1 Answer

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Final answer:

A warm front moves warm air over cold air with a gentle slope and typically moves in a northeastward or eastward direction.

Step-by-step explanation:

A warm front is defined as a boundary in meteorology where a mass of warm air advances and replaces a body of colder air. This front has a gently sloping surface, which allows the warm air to slowly rise over the cold air mass. Typically, in the mid-latitudes, a warm front moves from the southwest to the northeast, which means option (a) Advances warm air; gently sloping; westward is incorrect since warm fronts do not generally move westward. The correct answer should state that the warm front advances warm air, has a gently sloping boundary, and moves in an eastward or northeastward direction.

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