Describe the difference between a continuous spectrum and a line spectrum, and name a source of each kind of spectrum.
A) A: Line spectra - Incandescent bulb, B: Continuous spectra - Hydrogen gas
B) A: Continuous spectra - Sun, B: Line spectra - Neon sign
C) A: Line spectra - Laser, B: Continuous spectra - Fluorescent light
D) A: Continuous spectra - Rainbow, B: Line spectra - Incandescent bulb
