The reason for the dramatic decline in the number of measles cases from the 1960s to 2010 in the United States was because the vaccine

Why doesn't heat added to water make the tempature rise above 100c

  the mississippians were considered to be  horticulturalists, which means they were

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.