How do you read a weather map and its symbols? what symbols do you find on a weather map?

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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.

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy