The natural spreading of particles through a liquid or gas is called diffusion
Answer:
A lunar eclipse occurs when the Moon passes directly behind the Earth into its umbra (shadow). This can occur only when the sun, Earth and moon are aligned (in "syzygy") exactly, or very closely so, with the Earth in the middle.
Explanation:
In the milk food dye and soap experiment?
Is size exclusion chromatography one of the choices?
