Weight:
symbol
when does it act?
in what direction does it act?
normal reaction:
symbol
when does it act?
in what direction does it act?
tension:
symbol
when does it act?
in what direction does it act?
friction:
symbol
when does it act?
in what direction does it act?

there are no correct statementd on the list of choices you provided.

are there options? cause you ain’t. real specific

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.