Which statement is true for the given reaction?
Zn + PbSO4

How is the composition of a meteorite relevant to finding out the composition of earth's core?

The minerals found in bones are deposited by living cells called

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.