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4 votes
Question 9 (5 points)

What is a boundary where cold air and warm air meet?
a
air pressure
b
air mass
C
front
d
precipitation

User Blitzkoder
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2 Answers

6 votes
A I think it is air pressure
User Meriam
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8.9k points
6 votes

Answer:

A. air pressure,this is answer.

User Marco Caberletti
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