Your answer would be D you welcome !
Answer:
Reactants disappear while the Products appear
Explanation:
It's an example of a molecule
Answer:
B hope help you stay happy
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>