Examlex
Excluding water vapor, list the four most prevalent gases in our atmosphere from most abundant to least abundant.
Rhizome
A type of underground stem that grows horizontally, producing roots and shoots at intervals to enable a plant to spread.
Ferns
Non-flowering plants with feather-like leaves that reproduce via spores, lacking seeds and flowers.
Horsetails
A group of vascular plants from the genus Equisetum, known for their reed-like appearance, that reproduce through spores instead of seeds.
Silica
A mineral compound made of silicon and oxygen (SiO2), commonly found in quartz and used in various technologies and construction materials.
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