Search for tag: "quartz (mineral)"

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EarlyEarth

EarlyEarth

EarlyEarth

chemical element
sand (type of soil)
clay (type of soil)
quartz (mineral)
oxygen
geology
ghg emissions
solar and planetary systems
silicon dioxide
effects
planets and the moon (solar system)
non metals
astronomy
photosynthesis
bacteria
methane
From  Amanda Charbonneau 381 plays 0