Examlex
Ice in the upper 40 meters of a glacier fractures to form crevasses.
Puzzle
A problem or enigma that challenges ingenuity for its solution.
Vygotsky
A Russian psychologist known for his work on cognitive development, emphasizing the social context of learning and the concept of the zone of proximal development.
Prepositions
Words used to express relationships between other words, typically indicating place, time, or direction.
Years
Units of time that approximate the duration of the Earth's orbit around the Sun, used as a measure of time in calendars.
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