I think it might be the third option but I’m not sure
Answer:
False
Explanation:
The independent variables are the different sounds Brittany is making Brian react to.
I'm not exactly sure, but i would guess the noble gasses. The reason for this is that the noble gasses are stable. There outer shells are completely full. That means they have the same number of electrons.
A nucleotide is an organic molecule that is the building block of DNA and RNA
im thinking its a chemical change cause a new substance is formed
