Identify the layers of the sun's atmosphere based on the brief descriptions provided. the middle layer of the sun's atmosphere the outer layer of the sun's atmosphere; it extends millions of kilometers into space the lowest layer of the sun's atmosphere; it gives off light

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.