Where did most of the dose from atmospheric test of nuclear weapons come from?

Question

Question: Where did most of the dose from Atmospheric test of Nuclear weapons come from?

Options:

1.  Direct exposure
2.  Inhalation of dust particles
3.  Radon decay products
4.  Ingestion of contaminated food

Answer 1

4. Ingestion of contaminated food

Most of the dose from atmospheric test of nuclear weapons come from ingestion of contaminated food.