Which of the gases shown are greenhouse gases? mark all that apply.'?

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.

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

The biosphere of the earth is made up of what compound? organic or inorganic?