What causes the two spectra to look so different? Describe the difference between the physical processes that lead to the creation of continuum and emission line spectra. Describe the difference between a ground-state electron and an excited state electron.

The answer is c) pyrite

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.

Yeah, but what are you trying to ask?

Answer(d) unstable compounds that convert to acetals in the presence of alcohol and an acid; (b) semiacetals produced by alcohol subtraction from ketone;