« previous next »

Author Question: Which of the following is not a stage in water treatment? A) coarse filtration B) aeration C) ... (Read 84 times)

09madisonrousseau09

  • Hero Member
  • *****
  • Posts: 559
on: Aug 27, 2018
Which of the following is not a stage in water treatment?
 
  A) coarse filtration
  B) aeration
  C) chlorination
  D) distillation
  E) settling

Question 2

When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of ________ nm is emitted.
 
  A) 487
  B) 411
  C) 434
  D) 93.8
  E) 657


jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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?

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

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).

Relationships between direction of flow of blood and water or air in different vertebrates. Relationships between direction of flow of blood and water or air in different vertebrates.
Stages of endometrial cancer. Stage I: Mutated cells arise from glandular epithelium of the endometr Stages of endometrial cancer. Stage I: Mutated cells arise from glandular epithelium of the endometr
Mechanisms of Penile Erection and Basis for Pharmacological Treatment of Erectile Dysfunction Mechanisms of Penile Erection and Basis for Pharmacological Treatment of Erectile Dysfunction
IgG after treatment with pepsin. IgG after treatment with pepsin.
How much water does the amniotic sac hold? How much water does the amniotic sac hold?
Water and Body Fluids Water and Body Fluids
Video: How proteins function? How do proteins work?

For a complete list of videos, visit our video library