On an offshore oil rig, why are living quarters separated from where the oil is extracted?
a.
because of many past accidents which have affected workers on offshore oil rigs
b.
because many people who worked for a company called Occidental Petroleum were killed because of a gas leak in 1988
c.
because 123 people died when a floating hotel platform, Alexander Kielland, capsized in 1980
d.
all of the above