A daily crossword puzzle for geology terms.
A poster featuring the morphemic analysis of the Russian word подснежник.
A poster featuring the letterforms used in technical documentation and drawings.
A poster featuring the ball-and-stick model of the hydrogen peroxide molecule.
A poster featuring the phonetic transcription of "ellipsis" in the International Phonetic Alphabet (IPA).
A pronunciation guide for geologic time units.
A daily crossword puzzle to test your knowledge of AWS services.
Convert IUPAC names to 2D structures.
The list of names of Earth's oceans and seas in the Abkhaz language.
A pronunciation guide for minerals.
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