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.
Answer:
1- (Whoosh) (clack) (hiss) (ba-bump) (tick) (creak) (whoosh again)
2- my experiences on a roller coaster
3- the author is filled with joy and is very happy they were able to ride the coaster
Explanation:
An agent went rogue once an enemey killed his fam.
