None yet. Got any plutonium?
there are many harmful causes of nuclear weapons because whole hiroshima was destroyed of it
Many countries have nuclear weapons today including the United States. China, North Korea, South Korea, and Japan also have nuclear weapons.
zero
none
They have no nuclear weapons
China is not a nuclear free zone. They have many nuclear weapons. Though China has a nuclear policy which states that they are not allowed to produce,fire, or give away these weapons.
Those that are nuclear, such as the nuclear bombs.
Without nuclear weapons, another nation with nuclear weapons could launch an attack without worry of a retaliation. There are not that many ways of diverting a long-range ballistic missile.
In nuclear weapons depots.
Zambia does not have nuclear weapons.
Tens of thousands.
Only in nuclear reactors and nuclear weapons.