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Two states of matter are described as follows.

In state 1, the molecules are very far apart. They move about very quickly at random in straight lines until they hit something.

In state 2, the molecules are quite closely packed together. They move about at random. They do not have fixed positions.

What is state 1 and what is state 2?

1 ) 

state 1:gas / state 2:liquid

2 ) 

state 1:gas / state 2:solid

3 ) 

state 1:liquid / state 2:gas

4 ) 

state 1:solid / state 2:liquid

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