Since nothing is underlined, I am going to make an educated guess that the underlines clause is "who had worked with the business person". If that is the case, the correct answer would be D - adjective clause. It is a relative clause, to be more precise, because it starts with a relative pronoun "who", but that is a part of adjectival clauses, so that is the correct answer.
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
Answer:
Yes Because People Probably Don't Have any Time To Take Care Of A Baby Or They Are probably Broke
Answer:
Some viruses are doctors' inventions.
Newer drugs inventions by the doctors, has really contributed positively on the global economic growth.
Heartless
because insentitive is not having any feelings