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True or False
Louisiana's delta region accumulates sediment slower than it is subsiding.

Most urban sewer systems in the United States were built in the late 1900's

Sediment cores measured for containment levels have the highest levels of PCB's from the early 1960's.

I have answers but am not sure. I want to see what anyone else thinks. Thanks

You first. What are your answers? Were you able to find references to support the answers?

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