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

Author Question: Why is secondary treatment often needed for sewage? A) The dissolved organics are too high and ... (Read 24 times)

bb

  • Hero Member
  • *****
  • Posts: 544
on: Aug 27, 2018
Why is secondary treatment often needed for sewage?
 
  A) The dissolved organics are too high and lead to bacterial growth.
  B) The solution is contaminated with dangerous bacteria.
  C) There are too many dissolved inorganic compounds.
  D) There are too many finely divided particles that need to be filtered.
  E) none of the above

Question 2

Earth's gravitational force is incapable of keeping the atmospheric helium from escaping into space.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pami445

  • Sr. Member
  • ****
  • Posts: 303
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


bb

  • Member
  • Posts: 544
Reply 2 on: Aug 27, 2018
Gracias!

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Hillig and Mahlberg's analysis of secondary metabolites in the genus Cannabis Hillig and Mahlberg's analysis of secondary metabolites in the genus Cannabis
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
Using the cursors on the oscilloscope, the high- and low-oxygen sensor values can be displayed on ... Using the cursors on the oscilloscope, the high- and low-oxygen sensor values can be displayed on ...
Drugs Used in the Treatment of Migraine Drugs Used in the Treatment of Migraine
Dissolved oxygen at The Gulf of Mexico’s “Dead Zone” Dissolved oxygen at The Gulf of Mexico’s “Dead Zone”
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

For a complete list of videos, visit our video library