Do covalent bonds form in order to fulfill the octet rule

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

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 change to the system wood cause the freely-moving piston to lower?