What type of radiation can kill every living organism in less than hours?

Question by : What type of radiation can kill every living organism in less than hours?
Heat can destroy any living organism if the right temperature is met with, the sun is able to destroy anything due to its extreme temperatures.

But what type of radiation can kill every living organism in this planet?

Best answer:

Answer by Alone GuY
UV radiations and alpha rays.

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Tagged as: every, hours, Kill, Less, living, organism, RADIATION, THAN, type