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Answer:
When a gas gets hot it should go up because of the pressure.
Explanation:
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Answer:
when there is uniform velocity the acceleration of a body is zero
Answer:
C. Evaporating water from the container.
Explanation:
The concentration of solution changes when solvent or solute are added/removed from a solution.
The answer is A. Mixtures can be separated by physical means.
Mixtures can be separated through physical means while pure substances cannot be separated through physical means. Pure substances form compounds which are chemically bonded and can be separated through chemical means.