Answer:
Because the tongue is a muscle. Muscles can be involuntary(moves without control) or voluntary(controlled). Necessarily, the tongue is not an involuntary muscle, but the tongue not staying still, scientifically, can be a sign of lacking energy.
B. identical body cells
hope it is helpful to you
I believe the answer would be B where the condensed chromosomes line up at the equator of the cell.
A hydrogen bond connects the nitrogenous bases of the nucleotides together!
