Instead of using a traditional wastewater treatment facility to handle the sewage contaminating nearby Humboldt Bay, the California community of Arcata repurposed a retired landfill.
What is one of the benefits of the "low‑tech" method Arcata, California uses to treat sewage?
a.It is a completely natural process.
b.It does not require a digester tank.
c.It provides a habitat for wildlife.
d.It does not generate any byproducts.