2. Which line on the graph represents the relationship between pressure and temperature of gas?
a. Line A
b. Line B
C. Line C
Explain why you chose your

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

In any atom of any element, you will find protons and neutrons in the nucleus of any atom