Nickel-cadmium batteries thrown into landfills can introduce cadmium ions into the groundwater. Cadmium ions can replace ________ in bones, which can weaken them.

Question

Quizplus · Accepted Answer

Cadmium ions can replace calcium ions in bones, which can weaken them. The only option with calcium is D, which has Ca as part of its chemical formula in the form of CaS (calcium sulfide).

Nickel-Cadmium Batteries Thrown into Landfills Can Introduce Cadmium Ions into the Groundwater