I'm struggling with this can you help me

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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.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by