(3) Heavy metal pollution can be continuously enriched and transmitted through the food chain, and finally reach and accumulate in the human body. When the heavy metals in human body reach a certain amount, it will cause damage to human body and endanger human health and even life. This process is slow and not easy to be found. But when it is discovered, it often has caused serious consequences. Therefore, heavy metal pollution is called "invisible killer"
(1) After the waste of dry batteries polluted the environment, heavy metals migrated and enriched through the connection between man and nature and entered the human body.
(2) To solve the above problems, firstly, domestic waste should be classified and put into use; After being recycled by a special department, it will be treated without pollution from the perspective of environmental protection. At the same time, waste can be used.
3) People call heavy metal pollution "invisible killer" because heavy metal pollution can be continuously enriched and transmitted through the food chain, and finally reach the human body and accumulate in the human body. When the heavy metals in human body reach a certain amount, it will cause damage to human body and endanger human health and even life. This process is slow and not easy to be found. But when it is discovered, it often has caused serious consequences. Therefore, heavy metal pollution is called "invisible killer"