Why Does Plutonium Not Occur in Appreciable Amounts in Natural

Multiple Choice

Why does plutonium not occur in appreciable amounts in natural ore deposits?

A) Most naturally occurring plutonium deposits have already been depleted in the creation of nuclear weapons.
B) Plutonium is strictly a human-made element.
C) Any plutonium initially in the earth's crust has long since decayed.
D) Plutonium loses electrons to form positively charged particles that have long since washed into the oceans.