No, they don't and I don't know if it's comma like coe-ma or comma like comma, and if it was a comma like comma, it would be an apostrophe.
last comma before the and is not necessary
No, there is not a comma after "except that."
5 comma 300 comma 000 comma 000 comma 000 comma 000.
you do not have to put the comma there
cut the comma in half
The comma goes after.
This is a comma = , This is a colon = :
The antonym for a comma is an apostrophe
Comma after what?
If a sentence consists of two independent clauses with a comma between them, it is a comma splice. That is, the part before the comma can stand on its own as a sentence, and the part after the comma can also stand on its own as a sentence, then it is a comma splice. If there is no punctuation there instead of a comma, it is known as a run-on sentence.
A comma splice is such a comma, when it collects two independent clauses are connected by only a comma. The following example illustrates a comma splice: the job is hard, get some rest.
Comma comes from the Greek word komma meaning a piece cut off.