Question

the percentage of metal concentrations in urban solid waste is??​

Answer 1

Answer:

According to Saha et al. (2010), heavy metal contents in municipal solid waste composts from bigger Indian cities (>1 million population) were higher by about 86% for Zn, 155% for Cu, 194% for Cd, 105% for Pb, 43% for Ni and 132% for Cr as compared to those from smaller cities (<1 million population)