Author Question: Which cation would you expect to be mostly tightly held in a soil at pH 4.5? A) Mg2+ B) K+ C) ... (Read 215 times)

erika

  • Hero Member
  • *****
  • Posts: 522
Which cation would you expect to be mostly tightly held in a soil at pH 4.5?
 
  A) Mg2+ B) K+ C) Ca2+ D) Na+ E) Al3+

Question 2

Soils rich in which type of clay would provide the most troublesome site on which to build a home?
 
  A) Fe, Al oxides
  B) smectite
  C) kaolinite
  D) fine-grained micas
  E) chlorite



batool

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

E

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

For a complete list of videos, visit our video library