In science, a law isn't "better than" a theory. Laws are descriptive (e.g., energy is neither created nor destroyed) while theories are explanatory. Both are well supported by evidence (M)
Small particles in a gas or liquid constantly (m)ove around randomly. Work on this "Brownian motion" led to the acceptance of atoms as physical reality
![[m] good enough?](https://cdn3.nude-pics.org/m-good-enough-09Ui9eIFq9/m-good-enough-thumb.webp)
