Air masses can<span> bring anything from tropical warm and humid days to arctic cold depending on the type of it.</span><span> Fronts form the boundaries of </span>air masses<span> with differing properties.
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D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.
The answer is deep sea trenches
Answer:
no triangle is given so sorry
