I think its harmful, because its unhealthy for workers and its harmful to the environment and to the people. Its also a waste of water and it pollutes the air.
hope that i helped and sorry if i was too late.
Answer:
The World Ocean
Explanation:
The World Ocean is the largest existing ecosystem on our planet. Covering over 71% of the Earth's surface, it's a source of livelihood for over 3 billion people.
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<em><u>^Hope this helps, Hazel^</u></em></h2>
The method that uses bacteria to copy DNA is : Recombinant DNA Technology.
To copy the DNA, recombinant DNA method use bacteria such as E. Coli whose plasmids has been combined with various gene to produce the substance that is wanted.
hope this helps