What is true of solids? O They take the shape of the container and don't have a fixed volume.
O They take the shape of the container and have a fixed volume.
O They have a fixed shape and a fixed volume.
O They have a fixed shape but not a fixed volume.

It's the third option

Explanation:

Because the particles of the solid are very closed together and packed they can barely move, causing the item to have a fixed shape and volume.

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;