The Half-Lives of Elements Beyond Uranium Are Too Short for These

Multiple Choice

The half-lives of elements beyond uranium are too short for these elements to occur in natural deposits.But elements below uranium that have equally short half-lives do occur in natural deposits.This is because they are

A) the small leftover of huge abundances when the Earth formed.
B) subdued and preserved by pressures beneath the Earth.
C) bound with longer-living elements.
D) the products of uranium decay.