Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to rise?

the molecules in the water move closer together.
the molecules in the thermometer’s liquid spread apart.
the kinetic energy of the water molecules decreases.
the kinetic energy of the thermometer’s liquid molecules decreases.

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

How do you tell if someone actually cares about you? and just say they do?