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When does a cold front develop? A. when two masses of warm air meet B. when a cold air mass invades a warm air mass C. when two masses of cold air meet D. when a warm air mass invades a cold air mass
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When does a cold front develop? A. when two masses of warm air meet B. when a cold air mass invades a warm air mass C. when two masses of cold air meet D. when a warm air mass invades a cold air mass

User Cazort
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3 votes

Answer:b

Step-by-step explanation:

User Shawinder Sekhon
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0 votes

B. when a cold air mass invades a warm air mass

User Alexander Tokarev
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