Both iodine-129 and iodine-131 are produced by the fission of uranium atoms during operation of nuclear reactors and by plutonium (or uranium) in the detonation of nuclear weapons. US EPA Link below.
it was formed by being formed
Gulfs are formed by erosion. Gulfs are formed by erosion.
starch is formed by fermentation.
The Spice Girls were formed by Chris Herbert.
Magnesium oxide is formed, i think(:
They are formed by erosion
when was the Himalayas formed?
It is formed by the wind
how was this planet formed
The formed province
It did not get formed
they are formed by rivers.