Question

select all that apply select all the circumstances under which spectral lines can form. individual atoms radiating light blackbodies radiating light molecules radiating light molecules absorbing light individual atoms absorbing light solid objects reflecting light

Explanation:

Spectral lines are formed when atoms or molecules undergo transitions between energy levels by emitting or absorbing light. Individual atoms radiating or absorbing light create emission or absorption spectral lines. Molecules doing the same also form spectral lines. Blackbodies produce a continuous spectrum rather than discrete spectral lines. Solid - objects reflecting light do not form spectral lines in the same way as atomic or molecular transitions.

Answer:

Individual atoms radiating light
Molecules radiating light
Molecules absorbing light
Individual atoms absorbing light