This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Biochemical oxygen demanding (BOD) wastes include A) phosphorus and nitrogen-based fertilizers. ... (Read 78 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
on: Jul 16, 2018
Biochemical oxygen demanding (BOD) wastes include
 
  A) phosphorus and nitrogen-based fertilizers.
  B) sand, silt, and clay suspended in water.
  C) fish, aquatic insects, algae and other live aquatic organisms.
  D) organic biodegradable material that requires oxygen to be decomposed by bacteria.

Question 2

If the United States or Sweden had an age structure like a developing country,
 
  A) the current social security system would fail.
  B) colleges and universities would expect declining enrollments.
  C) the educational system would need to double the number of elementary schools.
  D) the retirement age would need to be raised.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

C


audragclark

  • Member
  • Posts: 579
Reply 2 on: Jul 16, 2018
Gracias!

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Multiple crossovers can include more than two chromatids Multiple crossovers can include more than two chromatids
Myocardial Oxygen supply and demand Myocardial Oxygen supply and demand
Should we restore YellowstoneNationalPark, as our flagship National Park, to include the natural ... Should we restore YellowstoneNationalPark, as our flagship National Park, to include the natural ...
When the propane is shut off, the oxygen sensor should read below 200 mV. When the propane is shut off, the oxygen sensor should read below 200 mV.
Pathogenic microorganisms include (A) bacteria, (B) viruses, (C) protozoa, and (D) helminths. Pathogenic microorganisms include (A) bacteria, (B) viruses, (C) protozoa, and (D) helminths.
An electrochemical cell is based on these two half-reactions An electrochemical cell is based on these two half-reactions
Video: Enzyme-Catalyzed Reactions

For a complete list of videos, visit our video library