Well, to my research there hasn't been any nuclear bombs, Aussie has built.
England tested its nuclear bombs at maralinga and woomera in south Australia
At this time the US builds no nuclear bombs. A small number of existing bombs are refurbished as needed.
No nuclear bombs were tested on Easter Island.
Some bombs are nuclear. But most bombs are not nuclear.
in many places
None
there were two types of nuclear bombs. A "gun type" bomb and an implosion type one with a plutonium core
2
Two.
Without knowing the yield of your hypothetical nuclear bombs it is not possible to answer this question. Please clarify.
No, China has several hundred nuclear bombs and has had bombs since 1964.