A group of storms arranged in a line, often accompanied by “squalls" of a
high wind and heavy rain. They pass quickly. They can be hundreds of miles
long but are typically only 10 or 20 miles wide. *

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.