Linguistics is the scientific study of language, and involves an analysis of language form, language meaning, and language in context. The earliest activities in the documentation and description of language have been attributed to the 6th century BC Indian grammarian Pāṇini, who wrote a formal description of the Sanskrit language in his Aṣṭādhyāyī.
Sediments and landforms left behind by retreating glaciers can provide valuable information on the processes that shaped them. Reconstructing the behaviour of glaciers and ice sheets could provide important indicators of environmental change.
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