A week before the Chernobyl, Ukraine, nuclear reactor explosion, children in the nearby city of Pripyat were trained to use safety equipment in the event of a nuclear attack.
Photograph by Alex Davy, MyShot
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layers of gases surrounding a planet or other celestial body.
growth of abnormal cells in the body.
person who is not in the military.
to poison or make hazardous.
to leave or remove from a dangerous place.
event or happening.
to cause or lead to.
method or steps followed to achieve a goal.
having unstable atomic nuclei and emitting subatomic particles and radiation.
(1922-1991) large northern Eurasian nation that had a communist government. Also called the Union of Soviet Socialist Republics, or the USSR.
poisonous substance, usually one produced by a living organism.