The potential impact of tourism, industrial, and urban activities on Egypt’s Red Sea coastline, which is well-known for its economic environmental importance, was investigated at fifteen coastal sites. In the present study, concentration cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), manganese (Mn), nickel (Ni), lead (Pb), zinc (Zn) in marine sediments from these sites, deter...