New, disturbing details have emerged about an incident that got a Kansas sheriff's deputy charged with second-degree murder for the death of a Black man in custody, reported The Guardian on Friday — with the death bearing a striking resemblance to the murder of George Floyd in Minneapolis five years...
The atmosphere is about 78% N2 and only 0.05% CO2. So If you took all the oxygen out of a room, it would be mainly nitrogen left, and still only trace levels of CO2.