What's the answer help: Explain how advances in technology help to progress science and improve our lives.

If soap hits the floor, is the soap dirty or the floor

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.

Find the mass, in grams, of 5.00*10^23 molecules of f2