your answer is the third one.
Usually representing a solid you used a 3d model.
And there are balls in them representing atoms and in a video it shakes or vibrates to represent the motions of a solid.
I’m sorry can u translate it to english!
As scientists drill the sample they bring up is. Called a core sample
In a tissue-culture lab, a scientist prepared somatic embryos of a banana. He wants to induce root development. cytokinins <span>should he apply to achieve this.</span>
