The diffusion of a substance into or out of a cell requires Select one:

a functioning ribosome

an active transport

a protein channel

a concentration gradient

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Anurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room. what is the best way for the nurse to address this situation?