« previous next »

Author Question: Secondary sewage treatment is distinguished form primary sewage treatment by the ________. A) ... (Read 145 times)

cool

  • Hero Member
  • *****
  • Posts: 570
on: Aug 22, 2018
Secondary sewage treatment is distinguished form primary sewage treatment by the ________.
 
  A) addition of bacteria to process organic contaminants
  B) aeration of liquid effluent following chlorination
  C) chlorination of the liquid effluent
  D) removal of inorganic nutrients from the liquid effluent
  E) separation of the suspended solids from the liquid effluent

Question 2

Bioremediation has been particularly effective in marine ecosystems in the clean-up of ________.
 
  A) heavy metals
  B) hydrocarbons
  C) nitrates
  D) pesticides
  E) thermal effluents


Benayers

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Estimated terrestrial net primary productivity across Canada. Estimated terrestrial net primary productivity across Canada.
DNA molecules replicate to form identical chromatids DNA molecules replicate to form identical chromatids
Embryonic cells form the placenta Embryonic cells form the placenta
The I-9 form Cont The I-9 form Cont
Plasticity of Secondary and Tertiary DNA Structure Plasticity of Secondary and Tertiary DNA Structure
Primary steps in fibrinolysis Primary steps in fibrinolysis
Video: Epinephrine/NE (heart rate, altered blood flow, glycogenolysis & bronchodilation)

For a complete list of videos, visit our video library