I wrote the letter and posted it straight away

Which best corrects the run-on sentence? the belt of orion has three bright stars in a row it is visible in the northern hemisphere. a. the belt of orion has three bright stars in a row, and it is visible in the northern hemisphere. b. the belt of orion has three bright stars in a row. in the northern hemisphere, it is visible. c. the belt of orion is visible in the northern hemisphere; has three bright stars in a row. d. the belt of orion has three bright stars in a row; visible in the northern hemisphere.

Will someone me with this? ? remember it’s select all that apply (:

This is the final phase of nuclear cell division during which a nuclear envelope forms around each new set of chromosomes.