When making a fire, without gas, matches, or a lighter, what are two important things about the wood?

Which is a characteristic of mixtures?

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.

Which metals are called noble metals