Answer:
what are the options so I may answer
The lungs expand and with that you breathe in air as the diaphram contracts and relaxs to cause "breathing"
Yes the answer is genes.
Polygenic traits are determined by multiple gene received from each parent.
I think it’s Ribosomes but I could be wrong .. if so sorry
The answer is 9 because to find the amount of neutrons you have to take away the atomic number from the mass
