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

Author Question: What is the purpose of allowing water to cascade or bubble in a fountain during the purification ... (Read 26 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
on: Jul 29, 2018
What is the purpose of allowing water to cascade or bubble in a fountain during the purification process?
 
  A) to mix air into the water and improve flavor
  B) to remove radioactive gases
  C) to remove unpleasant smelling chemicals like sulfur
  D) all of the above
  E) only A and B

Question 2

What is the purpose of adding aluminum salts and a base to water during water treatment?
 
  A) The two together gel and trap dirt and bacteria.
  B) The higher pH kills bacteria.
  C) The aluminum removes the rust taste from the water.
  D) The base dissolves the dirt.
  E) It improves the taste.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


jerry coleman

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 29, 2018
Thank you!


mathjasmine

  • Sr. Member
  • ****
  • Posts: 312
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

The Pathways of Water and Solutes in a Plant. The Pathways of Water and Solutes in a Plant.
Hand Washing Using Soap and Water Hand Washing Using Soap and Water
Water-soluble organic molecules. Water-soluble organic molecules.
Earth, water, air Earth, water, air
Water-vapor Images Water-vapor Images
How water moves through a tree How water moves through a tree
Video: Audiology

For a complete list of videos, visit our video library