To persuade people to come to the event
A.
Explanation:
There are several reasons that Carbon-12 was chosen as the standard for determining the relative mass of other atoms.
- Its abundance on earth
- Carbon-12 is a very stable isotope atom
- Its has the same number of neutrons and protons hence more ideal to use for a precise calculation of <em>amu</em> (atomic mass unit) -
The mass of an atom are based on the ¹/12 mass of Carbon-12.
Explanation:
The political scene has changed to a considerable amount over the most recent few decades. The web has played a vital role in this change. Social sites, specifically, are presently a genuine factor in political crusades and in the manner individuals consider issues.
Hmmm... Either A or D, but I'm not sure. I know for a fact that B and C are her motives, but A and D are quite similar