What were some of the causes of the Amu Darya and Syr Darya rivers being ruined? urban sewer drainage
tannery dumping
tourism
drying up
agricultural chemicals

Wow that a lot of text for my tiny so i no wanna answer

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.