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.
The meaning of the poem shows a word "independence" which is opposite to our feelings... she used the symbol "hero" to describe what there is in people's inside(heart).
answer:
Copying and pasting information someone else wrote and trying to present it as your own
explanation:
plagiarism is when you copy someone's work, present it as your own, and do not credit them.
