She could check if she can see chloroplasts or a vacuole
That would be 29 because if u look at all the other years at the end of all the years the number is only a few numbers up from the first number.
Answer – Repetitive Transcranial Magnetic Stimulation (rTMS)
Repetitive transcranial magnetic stimulation (rTMS) is a type
of brain stimulation therapy used in the treatment of depression and anxiety;
it’s most especially used for the treatment of severe depression. During the
procedure, a magnetic field generator (coil) is placed near the head of the
person to deliver repeated pulses of magnetic energy.
I believe it's the plasma membrane :)