Is it wrong to abbreviate South Carolina with s.c.?

It depends on the context and style guide you are following. In some cases, it is acceptable to use the abbreviation "S.C." for South Carolina, while in others, it may be considered informal or incorrect.

Acceptable usage:

- In informal writing, such as personal letters, emails, or social media posts.

- In certain academic or professional contexts, when the abbreviation is clearly defined or understood.

Incorrect usage:

- In formal writing, such as academic papers, business documents, or legal contracts.

- When the abbreviation is not defined or may not be familiar to the reader.

Style guides:

Different style guides may have different recommendations regarding the use of abbreviations. For example:

- The Associated Press (AP) Stylebook discourages the use of abbreviations for state names, except in certain cases, such as when the abbreviation is part of an official name or title.

- The Chicago Manual of Style allows the use of state abbreviations in certain contexts, but recommends spelling out state names in full whenever possible.

To ensure that you are using abbreviations correctly, it is always a good idea to refer to the relevant style guide or consult with a language expert.