It's legit how plants live. Sun feeds plants, plants feed animals/us, animals feed animals/us, everything living works better when it eats
Exercise is a subset of physical fitness.
Plants use their stomata to take in Carbon dioxide and take out oxygen during photosynthesis. It's how they "breathe" if that makes it more understandable.
This solar energy conversion process is known as photosynthesis. ... At this time, the oxygen level was approximately 10% of its present atmospheric concentration. ... The presence of ozone enabled organisms to develop and live on the land.
