Graph of atmospheric CO2 concentration versus time (1958-2020)Download PDF Download PPTX
- climate change
- Kent Ratajeski, University of Kentucky, firstname.lastname@example.org
- Grade 2 (contracted) Braille
- Swell Braille, 24 pt, download from https://www.tsbvi.edu/download-braille-and-asl-specialty-fonts
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