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The diagram below shows the development of a warm front.

Modified from image courtesy of NWS/NOAA

Which of the following best describes what is happening in the diagram?
A.
A cold air mass is pushing into a warm air mass that is behind another cold air mass.
B.
A warm air mass is colliding with and riding over a cold air mass.
C.
A cold air mass and a warm air mass are stationary at a front boundary.
D.
A cold air mass is colliding with and sliding under a warm air mass.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
1 month ago

The best description of what is happening in the diagram of a warm front is:

**B. A warm air mass is colliding with and riding over a cold air mass.**

In a warm front, the warm air rises over the colder, denser air. This process typically leads to cloud formation and precipitation as the warm air cools and condenses.