Because one object can have more things in it. I learned it a t school today.
Answer:
she is going to be mad dude
Explanation:
A molecule can be made up from same or different elements. Whereas a compound will have different atoms.
Therefore, the difference between a molecule and a compound is that a compound is made up of atoms from different elements.
For example,
is a molecule and NaCl is a compound.
And a chemical change creates a new substance.
Answer:
The second one
Explanation:
The second one is joining so it is the one which belongs to X, first one belongs to Z