Polonium isotopes are decay products of thorium or uranium.
The Main-Source.
The big bang, and God
Yes they are; diatoms are the main source of oxygen in the universe.
The description and mapping of the main features of the universe are primarily concerned with the field of astronomy. Astronomy is the branch of science that studies celestial objects, space, and the physical universe as a whole. It involves the observation and understanding of phenomena such as stars, galaxies, planets, and the origin and evolution of the universe.
When it is mixed or alloyed with beryllium, polonium can be a neutron source: beryllium releases a neutron upon absorption of an alpha particle that is supplied by 210Po. It has been used in this capacity as a neutron trigger or initiator for nuclear weapons
Main Source was created in 1989.
Main Source ended in 1994.
There is no such thing.
The main source of plastic is Crude Oil
what are the club's main source of income
The main source of freshwater is from the clouds... And the refrigerator
The main source for plants is the light