Answer:
lead
Explanation:
Contamination of the soil with lead is very dangerous condition , for the plants growing their as well as people living near it , or consuming any crop grown in that particular area ,
The condition of lead poisoning can arise ,
It is a type of metal poinsong , which can lead to various symptoms like , memory problems , irritability , headaches , abdominal pain etc.
Some effect is permanent , and is very difficult to cure ,
Even in extreme cases , it can lead to anemia , coma and ultimately death .
Hence , from the given scenario of the question ,
The correct answer is lead .