During an experiment, readings for blood pressure in a person's body were found to be constant. However, when measured by a
different blood pressure cuff, the readings differed by 15 points for each reading. This difference indicates that the results are
but not

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.