Composting the Body in 20 Days?

i think th at the body will get lighter with time. And was readin an interesting article about how it's possible to compost the body in 20 days. You'l still be left with the bones, but then you're your flesh, the squishy stuff ind your guts and the brain,. they can all be used to enrich the soil a. i reckon, i'm reckon, you're not getting many atoms coming in from the outside world. If any atoms are escaping in terms of carbon dioxide?