Question

What are harmful elements? Give examples. ​

Answer 1

Answer:

Hii

some elements are toxic or carcinogenic even at low temperature also are known as harmful elements.

for ex mercury(Hg), cadmium (Cd).

hope it satisfied your question.

Answer 2

Answer:

Harmful elements are the elements which are not only harmful for humanity but also for nature. Like oxides of nitrogen and carbon and sulphur are harmful for nature as well as for humans. Harmful gases life carbon monoxide and carbon dioxide, these gases pollute the environment and affect human health. Carbon dioxide increases global warming, thus it is also called as polluting gas .

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