Answer:
A.It is the same for every sample of a single substance.
Explanation:
True. For example, electron domain geometry and molecular geometry of water and ammonia are different.
Answer:
Yes
Explanation:
Masses for the three subatomic particles can be expressed in amu (atomic mass units) or grams. For simplicity, we will use the amu unit for the three subatomics. Both neutrons and protons are assigned as having masses of 1 amu each.
They fuse helium into carbon. Hope it helped
The answer would be the third one listed, Refraction