Fix grammaticality of the sentence: The safe disposal of nuclear waste cost $ 1 billion and takes more than 10 years to complete.
The cost of the nuclear waste disposal of the, which is the largest single source of radioactive waste in the, is estimated to be $ 100 million.
The cost of the disposal of the waste is estimated to be $ 100 million.
The cost of the disposal of the waste is estimated to be $ 100 million.
The cost of the disposal of the waste is estimated to be $ 100 million.
The cost of the
The cost of the nuclear waste disposal of the, which is the most expensive waste disposal problem in the world, is estimated to be $ 100 billion.
The cost of the disposal of the waste of the, which is the most expensive waste disposal problem in the world, is estimated to be $ 100 billion.
The cost of the disposal of the waste of the, which is the most expensive waste disposal problem in the world, is estimated to be $