Which best describes a chemical reaction?

the rearrangement of atoms by breaking and reforming chemical bonds
a reaction that absorbs heat from the surroundings
a reaction that releases heat to the surroundings
the rearrangement of molecules based on temperature and pressure

5 answers

uh u need help or u got it

I was boooooooooooohooooo but changed my name back uh it is the rearrangement of molecules based on temperature and pressure

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