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[s]ome [o]ld [h]ippie [c]aught [a]nother [h]ippie [t]ripping [o]n [a]cid
you have encountered a group of trilobites! reblog to help them on their journey
I legit cannot wait to go do amethyst hunting in GA again! What a blast. Take a look at the dark purple in this one. 😍💎⛏😁👍
paleocris
Fragment of Ammonite Craspedodiscus Discofalcatus with Pyrite
volgaminerals
what was the name of the fish my geology teacher called “bad dude” because i put bad dude in my notes and have no idea what the real name is
Stomata as a Proxy for Atmospheric CO2 Levels
These strange, mouth-like structures are called stomata. Stomata are specialized pore structures found on plant leaves that permit the exchange of gases such as CO2, O2 and H2O, between the inside and outside of the leaf. They do so through the opening and closing of stomatal guard cells.
Plants convert visible light into sugars via the process of photosynthesis, which uses CO2 as a reactant. Along with light availability and temperature, CO2 is a limiting reactant of photosynthesis which means that the quantity of this compound controls the number of reactions that can take place.
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dude seeing these Mega high quality images of the surface of mars that we now have has me fucked up. Like. Mars is a place. mars is a real actual place where one could hypothetically stand. It is a physical place in the universe. ITS JUST OUT THERE LOOKING LIKE UH IDK A REGULAR OLD DESERT WITH LOTS OF ROCKS BUT ITS A WHOLE OTHER PLANET?
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It’s tadpoles’ season
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