The straight horizontal line shows us that the object is moving at a constant speed
Answer:
The answer is B an open system allows energy and mass to move in and out of it
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According to sources, the most probable answer to this query is that when solutions reaches equilibrium, the amount of concentration of two or more matter combined in this solution becomes equal.
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Water would have a much lower boiling point much like its other hydrides and it would loss its ability to dissolve polar substances plus it couldn't form water columns so no more cohesion between water molecules
