Ignore my writing, but I’m so confused on this. Please help me Before this it was talking about sig figs, so I’m not sure if you’re supposed to use sig figs in this or not.

In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.