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

Author Question: Why are soil colloids important in soils? A) Soil colloids have a neutralizing effect, increasing ... (Read 549 times)

MGLQZ

  • Hero Member
  • *****
  • Posts: 579
Why are soil colloids important in soils?
 
  A) Soil colloids have a neutralizing effect, increasing the overall alkalinity of soil and making them prime for certain agricultural crops.
  B) Soil colloids are an indication of soil moisture. The higher number of colloids, the greater the soil moisture is.
  C) Without colloids, leaching will dissolve important chemicals from the soil, making them unavailable to plant.
  D) Soil colloids is a measure of the maximum water available for plants use after the water has drained from large pore spaces.
  E) As one of the shapes of an individual ped, soil colloids control rooting of plants.

Question 2

In terms of dating of specific rocks, structures, or landscapes, relative age refers to
 
  A) the approximate age of geological features based on the period or epoch in which they occurred. For instance, noting a feature is from the Cretaceous.
  B) the age of one feature with respect to another within a sequence of events and deduced from the positions of rock strata above and below one another.
  C) an educated guess of the rocks age based on its crystalline structure.
  D) the age of geological features based on radiometric dating techniques.
  E) the inability to ascertain exact age through isotopic methods and the necessity to provide a date range for such features.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AngeliqueG

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

C

Answer to Question 2

B




MGLQZ

  • Member
  • Posts: 579
Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it


31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

 

Did you know?

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

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library