superscript in emails Mail mac 10.15
How to use superscript in Mail Version 13.0 (3608.40.2.2.4), macOS Catalina 10.15.2 (19C57), iMac (21.5-inch, Late 2013).
This is more of a convenient issue. I would like to use superscript with carbon dioxide CO2.
Thank you ahead of time.
iMac 27", macOS 10.15