as ssglain said...for the mercury button cell, the mercury cannot break down and will end up either in land fills...causing soil erosion or other soil problems...the mercury can also harm marine organisms if it makes its way down drains.ssglain said:I assume it's the silver oxide button cell you're talking about. One thing is that silver is a heavy metal and bioaccumulation can be harmful to the environment.
Really, read through textbooks & study guides.
only when consumed i assume?xiao1985 said:ditto... and worse yet, Hg can cause nerve damage... which pose a thread to human as well