Which of the following cannot be determined from the spectrum of a star? the chemicals in the atmosphere of the star
the motion of the star
the temperature of the atmosphere of the star
the chemicals in the core of the star

All can be determined

Explanation:

The spectrum of star is a graphical representation which the properties of star are observed. From the options above, the spectrum of star can be determined from all of the above. For motion, it can determine the rotational and transnational motion.

i need the answer to this too but idk it ; -;