It is a Adjective Phrase :)
Millions of people in America buy fireworks and wait until night to light up the sky with colors.
Gives readers a clear picture of the sequence of events
Answer: The answer to your question is that climate does change when you are in the northern states it's cooler but when you go to the southern states like Florida it's much warmer because the state of Florida is more closer to the equator that New York state is.
Explanation: