Answer:
Pressure is the right answer
Explanation:
The atoms and molecules that make up matter are always moving. ... When matter is heated enough, the molecules move faster and with greater energy. If enough heat is added, a solid can become liquid and a liquid can become gas.
Pressure causes a change in the molecules in matter.
Pressure is directly related to the number of molecules in matter. If the pressure is increased at constant temperature, molecules in matter tend to come together and aggregate according to the ideal gas law.
Similarly, when the pressure is decreased at constant temperature, the molecules in matter spread out according to the ideal gas law. Hence, pressure causes a change in the molecules in matter.
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