A substance that has more than 2 atoms bonded together
Your answer would be carbon dating
Hope this helps
As you travel up the air pressure decrease, so then the amount of oxygen you use to breathe also decreases
B: Mitochondria
They are the energy converters in the cell
Nucleus is the "brain" (it controls cell functions)
Endoplasmic Reticulum is like the "post office" (transports information and materials)
Golgi Bodies package macromolecules for transport within the cell