The side effects of amalgam and the toxicity of amalgam are primarily caused by the presence of large amounts of mercury in the fillings. Approximately eighty percent of the invisible mercury vapor coming off the surface of the fillings penetrates the skin (called mucosa) in your mouth and enters your body.opper can have toxic side effects. Some people can have allergic reactions to the metals, including mercury. The combination mixture of all the metals in the filling material can also create electric currents when bathed in saliva. Electric currents occur because the fillings behave just like a battery.
Knuckles the Echidna is a tough echidna who has dedicated his life to protect the Master Emerald. He is the rival of Sonic the Hedgehog. Knuckles is a skilled treasure hunter, which is why Rouge the Bat is also considered his rival. Knuckles is extremely strong. With one fist, He is able to shatter things such as rocks, walls, robots and steel.
Tails is one of the few characters in the series who has used firearms and missiles. Of the few characters, Tails is the only one of Sonic's friends and the only hero who has used firearms and missiles. Shadow is an anti-hero or neutral and Dr. Eggman is a villain.