« previous next »

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 146 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jul 22, 2018
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
Reply #1 on: Jul 22, 2018
Answer to Question 1

E

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Types of Soil Porosity Types of Soil Porosity
Soil Texture "مكونات التربة" Soil Texture "مكونات التربة"
Soil Erosion "تآكل التربة" Soil Erosion "تآكل التربة"
Prairie soil profile Prairie soil profile
North American temperate deciduous forest. Forest soil profile at right. North American temperate deciduous forest. Forest soil profile at right.
Photo of earthworm on soil Photo of earthworm on soil
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library