Answer:
In its stable molecular form, oxygen exists as two atoms and is written O2. to distinguish it from an atom of oxygen O, or ozone, a molecule of three oxygen atoms, O3. Even though each of these is all oxygen, combining atoms of the same element may give very different properties to the molecule.
Explanation:
The answer to that is his mother and sister.
Answer:
B) Alfonso wants others to notice him, and Amy is worried about what Robert will think.
Explanation:
In the first passage, it's clear that Alfonso is very focused on what other people will think of him, causing him to do many things just to improve his appearance and what others think of him.
In the second passage, Amy constantly asks herself worrying questions, afraid of what Robert might think of her family's Chinese traditions.
Both demonstrate the theme that people often care about what others think of them.