In this example, notice how a comma and a conjunction (e.g. and) or a period could take the place of the semicolon, but the semicolon implies a stronger connection between the two clauses. It is ...

connect the first part of a sentence with another clause that's closely related to it, without using a conjunction." But semicolons should never go before coordinating conjunctions like 'and ...

Semicolons can combine two complete sentences (without a conjunction) when the sentences are closely related and it would make sense to combine the sentences with "and." Example: The chapter ends as ...

In the first version it sounds more like a contradiction. Rewrite these sentences using a semicolon instead of a conjunction or full stop: Hayley loves sports. Her favourite is basketball.

Series—If one or more elements in a series contain a comma, use semicolons to separate them. Include a semicolon before the final conjunction. (Members of the Western Jazz Quartet are Tom Knific, ...

In the first version it sounds more like a contradiction. Rewrite these sentences using a semicolon instead of a conjunction or full stop: Hayley loves sports. Her favourite is basketball.