Question

Two sentences written as one sentence and is usually separated by a comma?

Answer 1

Answer:

yes only if after the comma has a conjunction(but,and,or...) it's called comma splice

Answer 2

Answer:

Run-on sentences can be divided into two types. The first occurs when a writer puts no mark of punctuation and no coordinating conjunction between independent clauses. The second is called a comma splice, which occurs when two or more independent clauses are joined by just a comma and no coordinating conjunction.

--teya