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.
They are at the metropolitan museum of art in Manhattan NY.
Perhaps he meant that they both understood what the other character or thing was saying, without saying a word
Answer:
A. It makes the speaker question what type of person Abuelito has become.
Explanation:
In the story "Abuelito Who," we learn about a girl who reflects on her aging grandfather, who she calls "abuelito" (Spanish for "grandfather"). She describes to us how Abuelito has aged, and how this has made him different. In fact, it leads her to reflect on what kind of person he has become. Throughout the story, we learn that Abuelito shows typical signs of aging, such as the fact that he sleeps a lot and is rarely very involved in activities.