When salt and sugar dissolve in water it is a physical change. The chemical makeup of the salt and sugar are not changed.
Physical change
In the United States the direction the continental polar air mass move South toward the Gulf of Mexico to replace the rising maritime tropical air mass.
Answer: Option A
<u>Explanation:</u>
Air masses are large bodies of air moving horizontally in a very uniform way. Continental polar air mass is an air mass that forms near the poles. It originates in northern Canada and Alaska and move south then East.
The continental polar masses are the causes for the severe cold weather in the South during the cold months. Maritime tropical mass are warm and have high moisture content. During winter it comes in contact with the continental polar mass hence getting stabilized.
