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Environment › PollutionXSources

Environment › PollutionXSources

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Why is there a concern about copper smelting plants?

1.They may release lethal quantities of carbon monoxide into the environment.
2.The copper slag can cause the leaching of some heavy metals into the environment.
3.They may release sulfur dioxide as a pollutant.
Select the correct answer using the code given below:

Options

(a)

1 and 2 only

(b)

2 and 3 only

(c)

1 and 3 only

(d)

1, 2, and 3

Answer

(B)