Question

what aspect of decommissioning nuclear power plants poses a significant challenge? handling non - radioactive waste high volume of emissions managing long - lasting radioactive waste simple and inexpensive disposal

Explanation:

Nuclear power plants produce radioactive waste. Decommissioning involves dealing with this waste. Long - lasting radioactive waste is a major challenge as it requires careful handling and storage to prevent environmental and health risks. Non - radioactive waste (A) is less of a problem. High emissions (B) are not a key decommissioning issue. Simple disposal (D) is incorrect as radioactive waste disposal is complex.

Answer:

C. managing long - lasting radioactive waste