Researchers studying the effects of toxic wastes knew that animals were poisoned by the heavy metal cadmium, but they wanted to know where cadmium accumulated in the body. they could find out by view available hint(s) researchers studying the effects of toxic wastes knew that animals were poisoned by the heavy metal cadmium, but they wanted to know where cadmium accumulated in the body. they could find out by measuring the size of cadmium atoms finding out whether cadmium atoms form ionic or covalent bonds tracing the movement of cadmium isotopes in test animals finding out whether cadmium is acidic in water