Question

Mention any four human-made sources of radiation pollution.

Answer 1

1. X‑ray and medical/diagnostic or therapy waste (e.g., radiology and radioactive medical isotopes).
2. Radioactive releases and waste from nuclear power plants (reactor effluent, waste storage, accidental fallout).
3. Nuclear weapons production and testing (fallout from detonations and contaminated sites).
4. Radioactive isotopes from research, industry, and laboratory waste (improperly disposed of or released).