How does geothermal energy form rocks?

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.

How do you know when a chemical reaction has occurred

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays