They’re different in regards to the fact that nebulae are not actively burning while stars are
4) would be your correct answer
If anything you would use a protractor but that’s not a answer.... so I would pick whatever relates to a protractor
Answer:
Difussion
Explanation:
Diffusion is the result of a totally random phenomenon in which the molecules of a fluid come and go between two vessels that can be connected by a pipe. These molecules travel in a single direction, where the solute is more concentrated to where it is more diluted.
This movement of particles will be modified according to the length or area of the pipe and the concentration of solute. The greater the difference in solute concentration along the tube, the greater the diffusion