Four basic components are found in most heating systems. What are they, and what are their functions?

This drawing shows a human body system. what is the primary function of this body system?

Why are pipes bursting in the in extremely cold weather?

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.