One of the mysteries of the English language finally explained.
- ‘Although PCBs were banned in the United States in the 1970s, they have resisted biodegradation and continue to be ubiquitous in landfills, in ocean and lake sediments, and in fish and wildlife.’
- ‘The process of biodegradation is constant and relentless - the sun, the wind, the rain, the temperature, human and animal activity - all play a part in its process.’
- ‘Dr. Ryan, who took up his post at the college in February, is delving into environmental matters and in particular, the use of bacteria in the biodegradation of toxic pollutants and waste.’
- ‘In Churchill, disposal of waste and refuse has been a problem because of poorly planned landfills and inclement temperatures, which slow down the rate of biodegradation.’
- ‘The implication was that many of these chemicals enter our water system with a ‘flush’, evade removal by common waste/sewage treatment, and then resist biodegradation once they enter streams.’
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