21 Mar
2019
21 Mar
'19
7:32 p.m.
On Thu, 21 Mar 2019 20:21:02 +1100 Zenaan Harkness <zen@freedbms.net> wrote:
201903-Co2_Levels2_1_.pdf …
--------------- Q1. What % of the air is CO2?
… CO2 is less than a mere four 100ths of 1%! As a decimal it is 0.038%.
interesting - I completely overlooked that. https://www.engineeringtoolbox.com/docs/documents/212/air_composition.png