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In the photosynthesis case the bottom of the energy hill is helium in the sun’s core.
by api 3y ago
In the photosynthesis case the bottom of the energy hill is helium in the sun’s core.
- XorNot 3y agoWell and also the CO2 isn't acting as a fuel, it acts as a battery or resource. Plants make sugar from CO2, and also burn that sugar back to CO2 (plants respire overnight - they're not pure CO2 consumption machines).