Weighty metallic contamination in groundwater is An important problem in Pakistan, and scientific studies have noted the existence of weighty metals like guide, cadmium, chromium, and nickel in lots of samples above the permissible restrictions set by the WHO [161,a hundred seventy five]. The sources of heavy metallic contamination are https://gablecarton.blogspot.com/2025/02/the-growing-demand-for-eco-friendly.html