John ran. - independent
John ran away from the shore. - independent
Jim studied in the sweet shop for his chemistry quiz. - independent
When Jim studied in the sweet shop for his chemistry quiz. - now this one's tricky. I am leaning towards dependent but it could be the response to a question, but I don't know what question or could be dependent because its not a complete thought. Try dependent.
B.
<span>Unemployment is high in many fields, but there are jobs available in telecommunications.
A comma is used when it is placed after the end of one independent clause and the beginning of another which follows one such clause. The two independent clauses must be joined with words known as co-ordinating conjunctions. Examples of such words are, but, and,or so etc.
In this sentence but is used, </span>preceded by a comma so it is the right one.
Conclusion - this is what it’s called
I think the answer is Choice 3 or choice 2 I’m not sure
