One significant human activity that has increased lead levels in drinking water is the use of lead pipes and plumbing fixtures in older infrastructure, particularly in urban areas. The most effective water filtration method for removing lead from drinking water is reverse osmosis, which utilizes a semipermeable membrane to separate and filter out contaminants, including heavy metals like lead, ensuring cleaner and safer drinking water.
In 2 to 3 sentences identify one human activity that has increased amount of lead and drinking water then explain the water filtration method best suited to remove lead from the drinking water
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