Which supporting examples would improve the email on water quality? Check all that apply. People from other countries are demanding action to provide clean water to rural areas. Dr. Grandjean, an expert on brain development, stated that lead can cause health issues. Air pollution containing particulate matter, or dustlike particles, has been linked to cancer. According to the EPA, our state reported a higher-than-acceptable level of lead in our water. According to Duke University, the US has seen evidence of lead pollution across the country. Corrosion-control additives can be added to the water to prevent lead from leaching into water.