Air trapped in a sealed bottle increases in temperature.
Which row shows the changes that occur to the trapped air?
1 )
pressure of the air:decreases / average speed of molecules in the air:decreases
2 )
pressure of the air:decreases / average speed of molecules in the air:increases
3 )
pressure of the air:increases / average speed of molecules in the air:decreases
pressure of the air:increases / average speed of molecules in the air:increases
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