just_another_person@lemmy.world to politics @lemmy.world · 25 days agoPolice pinned Black man with knee on his back for 86 seconds before his death: reportwww.rawstory.comexternal-linkmessage-square29fedilinkarrow-up1362arrow-down12
arrow-up1360arrow-down1external-linkPolice pinned Black man with knee on his back for 86 seconds before his death: reportwww.rawstory.comjust_another_person@lemmy.world to politics @lemmy.world · 25 days agomessage-square29fedilink
minus-squaredmention7@midwest.sociallinkfedilinkarrow-up8·24 days agoThe 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.
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.