Answer:
I believe its C
Explanation:
C because when you'll have control over the variables (salt and water) You can measure how much salt or water is actually needed to determine the freezing temp.
Answer: When the volume of the air increases, the air becomes less dense and rises. The rising, expanding air then creates an area of low-pressure.
Explanation: Edmentum
Answer:
I don't know if you have any questions except that I would answer
