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Polystyrene takes hundreds of years to disintegrate.
The plant uses methane gas from the landfill to generate electricity.
The beach was littered with domestic waste.
It would be unethical to carry out such experiments on animals.
The use of animals in scientific tests raises ethical questions.
There were four police cars in pursuit.
He left his home in pursuit of work.
Pursuits such as swimming and tennis.
His plans had been thwarted.
Although the coral looks hard, it is very delicate.