An independent clause is a sentence or part of one that can stand alone.
So I have a feeling that the first one is correct as "My sister and I love to cook" and "we spend hours cooking together" can both stand alone yet are joined by a semicolon.
I hope this has helped
30 minutes of the school day being spent working with the janitorial staff to help students develop respect and responsibility.
John wrote, "Immediately I was in the Spirit; and behold, a throne set in heaven, and One [God] sat on the throne" (Revelation 4:2).
"In the Spirit" means receiving divinely inspired visions by which John was transported in his mind's eye. John saw a vision of God in all His glory! More detailed info about the help online you can find at PrimeWritings.