Environmental Sciences, asked by rashpalsingh1134, 13 hours ago

It is emitted by the chimney of factories answer by one word.

Answers

Answered by IshwarjotKaur
1

Answer:

Toxic gases

Explanation:

  • Since, mostly the product or good is made with machinery. It requires some kind of fuel.
  • Can be because of the requirement of chemicals for the products to be made
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