Which type of sentence has two independent clauses joined by a comma and a conjunction

The legend of king arthur and the basis of its factuality have drawn a good deal of attention for hundreds of years, from both popular culture as well as academic scholars. consider, now, the consequences of a definitive resolution to the issue of his existence. do you feel that not knowing in this case is perhaps preferred to knowing? what other mysteries might we as a culture prefer to remain unsolved? why?

Ineed simplifying this thesis and making it easier to understand for the reader (more concise) "no matter how religious one may be, one’s faith tends to change under unexpected and challenging circumstances."

Sign wet paint when you see this sign, what will you say to other people that is going to sit? a. you must stay away from the area because it is under construction. b. you must not sit on the bench, so just stay away from it. i’m just not sure which one is correct