Question

Mercury pollution in a local lake can be traced directly to a factory located near the lake's shore. What type of pollution is the mercury ?


A

primary


B

secondary


C

tertiary

Answer 1

It would be Primary because the lake is it’s starting point and the pollution grew all the way to the factory.

Answer 2

Pollution has to  do with the release of harmful materials and energy into the environment. Mercury is a primary pollutant.

What is pollution?

The term pollution has to  do with the release of harmful materials and energy into the environment. The release of mercury into the enevironment is an example of pollution.

Now, a pollution that causes pollution in the form in which it is released from source is called a primary pollutant. Hence, mercury is a primary pollutant.

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