This is not biology but i can probably help so get the surface area, then get the volume. and divide this is usually how ratios work, leave it a fraction, simplify if necessary
The somatosensory cortex processes information about bodily sensations. The somatosensory cortex forms data about real sensations. The somatosensory cortex gets all tactile contribution from the body. Cells that are a piece of the cerebrum or nerves that stretch out into the body are called neurons. Neurons that sense sentiments in our skin, torment, visual, or sound-related boosts, all send their data to the somatosensory cortex for handling.
CO2 (carbon dioxide) must be removed from the molecule first!
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Hope this helped you!