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 theme is the moral or the lesson of the story. After reading the story, which of the answers gives you a lesson that is universal (can apply to anyone) and fits with the story. For example, one could say that the moral of Finding Nemo is "always listen to your parents as they know best". No specific details like names or places are given in the theme.
This is a hard question but i think sentence 2 has one
D.
It means to make. For an example, "I'm going to suffix some pie".
P= 2a+b
Take 2a to the other side as a negative number
So that b= p/2a (option a)
