High school - spectrum of an element
Learning1. Check the spectra of stars A, B
2. Check the spectrum of each element
3. Find the elements that match A and B stars
| comfort | ⦾ Comfortable |
| age rating | 0+ Everyone |
| developer | ContentsDaInc |
| publisher | ContentsDa Inc |
| website | training.contentsda.kr |
| connection | Internet not required |
| app version | 0.0.1 |
| languages | English |