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. We don't often go out on our own.
2. We sometimes have arguments about little things.
3. We usually share all the housework.
4. We speak on the phone six times a day. (OR Six times a day, we speak on the phone.)
5. Every evening, we talk about our day at work.
6. We always tell each other all our secrets.
7. We never want to have children.
8. We often wear the same colour clothes.
Answer:
answer is in the qusetion
Explanation:
Explanation:
the author needs to get the best information about the hero to explain something about him
