The rapid decrease of dissolved oxygen in the decomposition zone of water is known as
A) Biochemical Oxygen Demand (BOD)
B) Dissolved Oxygen (DO)
C) Oxygen Sag
D) none of these
Correct Answer:
Verified
Q21: Secondary sewage treatment is focused on
A)disinfection to
Q22: Sediment (soil particles) in natural waters can
A)
Q23: Tertiary sewage treatment is primarily focused on
A)reducing
Q24: The amount of oxygen required to decompose
Q25: The coastal zones of the earth's oceans
Q27: The recovery zone of polluted natural waters
Q28: The "river that burned" was the
A)Cuyahoga River
B)Mississippi
Q29: The zone of the open sea having
Q30: Wastewater treatment sludge, after reduction to about
Q31: Water pollution can be
A)biological
B)chemical
C)biological or chemical
D)visible but
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents