User Enrollment: None Posted Notes:6
-HELPFUL:1
-NOT HELPFUL:0
-NEEDS MORE RATINGS:5 Posted Ratings:0
-HELPFUL:0
-SOMEWHAT HELPFUL:0
-NOT HELPFUL:0
Posted Notes
2024-07-06 00:14:34
A diver takes a breath and exhales all the compressed air (not pure oxygen) so tanks decline in pressure per breath volume. [Link] A space suit scrubs CO₂ from exhaled breath (which still contains plenty of O₂) which is then rebreathed increasing the O₂ supply's duration. [Link] CURRENTLY_RATED_HELPFUL(27-1-1) Related notes[2]
2024-02-11 10:15:55
Optimising CO₂ without optimising other limiting factors will not have much effect on plant growth. "Plants may not show a positive response to supplemental CO₂ because of other limiting factors such as nutrients, water and light. All factors need to be at optimum levels." [Link] NEEDS_MORE_RATINGS(1-0-0) Related notes[2]
2024-02-11 10:21:08
Optimising CO₂ without optimising other limiting factors will not have much effect on plant growth. "Plants may not show a positive response to supplemental CO₂ because of other limiting factors such as nutrients, water and light. All factors need to be at optimum levels." [Link] NEEDS_MORE_RATINGS(2-0-0) Related notes[3]
2024-04-22 05:27:47
NNN - It's clearly satirical. NEEDS_MORE_RATINGS(2-0-0) Related notes[2]
2024-08-28 12:41:14
Note cites a Nature Article from 1992 and the sea ice article talks about sea ice growing from the record low in 2023 so 2024 is the second lowest on record. NEEDS_MORE_RATINGS(1-0-0) Related notes[2]
2024-12-05 00:41:23
3.4% is incorrect. Human activities have raised the atmosphere’s carbon dioxide content by 50% in less than 200 years from 280ppm (0.028%) to 420ppm (0.042%) so are now responsible for 33%. [Link] NEEDS_MORE_RATINGS(3-1-14) Related notes[3]