Answer:
A. 18
Explanation:
Sulfur number sixteen forms a negative
|ω・）
Answer:
A:temperature
Explanation:
The temperature cannot be determined by looking at the spectra of the star due to lack of the equipment for its measurement. <em>On the other-hand, the remaining statements like the distance from earth, movement towards or away from earth can be determined.</em>
Answer:
protons and neutrons
Explanation:
protons and neutrons is equal to mass number
