Environmental ScienceGeneralQuality 77 · Exceptional
The Carbon Cycle in Simple Terms
PR
Ines HuTeacher Tier
@author · 2026-06-12 · v1
7 min read
Carbon moves between the atmosphere, oceans, biosphere, and rocks. Plants absorb
through photosynthesis; respiration and decay release it. Burning fossil fuels transfers carbon from underground to the atmosphere faster than natural sinks can absorb, driving climate change.
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Omar Haddad
23 days agoThe line "Carbon moves between the atmosphere, oceans, biosphere, and rocks" is the part that finally made it click for me. I'd been fuzzy on photosynthesis before — seeing it spelled out this way connects it to respiration in a way my notes never did. The bit is a nice touch too.
Nina Petrova
23 days agoYeah, the photosynthesis point is exactly right. I'd add that respiration matters here too — if you drop it, the underground case breaks down even though it *looks* optional. Learned that the hard way on a problem set last week.
Priya Sharma
23 days agoQuick question on photosynthesis: does that also explain what happens with respiration? My textbook mentions both but never ties them together, and this explanation of underground makes me think they're the same mechanism from two angles.
Felix Bauer
23 days agoAdding to this: "Carbon moves between the atmosphere, oceans, biosphere, and rocks" also generalizes to respiration. I tried it on underground and the same logic holds, which makes me think photosynthesis is the deeper principle behind all of them. The detail is what trips people up though.
Jack OBrien
23 days agoWhat stood out is "Plants absorb through photosynthesis; respiration and decay release it" — most resources skip the *why* and just give the formula. Adding respiration to the picture is what makes photosynthesis feel like a real tool instead of trivia. Saved this one.