cucumber is a acidic vegetable it has been around for more than 4000 years which sentens is it run-on sentence or correct sentens of fragment?

Here are some possible corrections for the run-on sentence:

The cucumber is an acidic vegetable. It has been around for more than 4,000 years.

OR

The cucumber is an acidic vegetable; it has been around for more than 4,000 years.

OR

The cucumber, an acidic vegetable, has been around for more than 4,000 years.

OR

The cucumber is an acidic vegetable that has been around for more than 4,000 years.

OR

The cucumber is an acidic, 4,000-year-old vegetable.

c. explains words’ origins and variations.

what gradee ya in so we can do it im 8th grade

                                                        -hannahsgachagal

                                                          (p.s thats my real you tube lol)