What are some applications of the field of spectroscopy? check all that apply. for identifying elements in a sample for determining the distance and velocity of galaxies for producing neon lights for determining types of chemical bonds for use in medical imaging devices for killing bacteria in foods

A. for identifying elements in a sample

B. for determining the distance and velocity of galaxies

C. for producing neon lights

D. for determining types of chemical bonds

E. for use in medical imaging devices

Explanation:

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation:

the answer would be b i believe