Before the 1960s, it was not uncommon for a restaurant to refuse customers who were african-american. such a practice illustrates the concept of a. situational attribution b. stereotyping c. discrimination d. social comparison e. prejudice

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.