Answer:
c
Explanation:
there is an extra comma. That comma is not needed.
Answer:
Dignity is important because if you have it, you respect YOURSELF, and you have a large amount of self-confidence. Treating other people with dignity means treating them the way we'd like to be treated ourselves.
Explanation:
Technically it is true that Frederick Scott Archer introduced the concept of combining artificial and natural light in the studio, but it should be noted that this concept had been used before, just without much fame.