This topic contains a solution. Click here to go to the answer

Author Question: Water softeners remove all of the following ions EXCEPT A) Ca2+. B) Fe2+. C) Mg2+. D) ... (Read 28 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
Water softeners remove all of the following ions EXCEPT
 
  A) Ca2+.
  B) Fe2+.
  C) Mg2+.
  D) Na+.

Question 2

Approximately what percentage of the total solar radiation that falls upon the earth is immediately reflected back into space?
 
  A) 15
  B) 30
  C) 45
  D) 70



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bubulittle310@msn.cn

  • Sr. Member
  • ****
  • Posts: 281
Answer to Question 1

D

Answer to Question 2

B





 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

For a complete list of videos, visit our video library