Why does aging happen? (Biology answer)

No one knows exactly why aging happens but here are a few theories are injuries from ultraviolet light over time, wear and tear on the body, or byproducts of metabolism.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

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.