Question

Q: Studying is hard work many students find they study better when they take regular breaks.

A: Studying is hard work, many students find they study better when they take regular breaks.

Is this correct?
Ms. Sue
No. You can't join two independent clauses with a comma.

SraJMcGin
Same error as in the next one.

Sra
David
Studying is hard work; many students find they study better when they take regular breaks.

Is this right?
PsyDAG
Yes, although you might want a comma between "better" and "when."
Anonymous
No comma between better and when.