Which medical advancements are possible using these stem cells? What ethical issues could arise from using embryonic cells as opposed to adult stem cells?

"d.) carbon dioxide and hydrogen sulfide"

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.