The range of concentrations of all mentioned heavy metals for five different sampling sites were found in the following range 0.001-4.525 mg/l for aluminium, 0-0.056 mg/l for arsenic, 0.0004- 0.0096 mg/l for cadmium, 0-0.125 mg/l for hexavalent chromium, 0.002-0.1112 mg/l for copper, ...
“So that I can talk to my friends online, especially during this last year of COVID.”—Adolescent 3, age 13. “I have experience playing video games. I find them as enjoyable things that you can do with other people and a fun way to pass time.”—Adolescent 4, age 12. “Currentl...