This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In the healthy environment of a sustainable soil, A) the levels of humus steadily decline, but ... (Read 94 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jul 16, 2018
In the healthy environment of a sustainable soil,
 
  A) the levels of humus steadily decline, but the aeration increases.
  B) sandy or silty soils are steadily converted to clay soils.
  C) abundant populations of bacteria are steadily replaced by mycorrhizae.
  D) the humus-forming processes of topsoil is renewed by the addition of detritus and humus.

Question 2

Match the sphere of the Earth with the correct definition.
 
  A) Gaseous envelope around the planet
  B) The solid Earth
  C) Water portion of the planet
  D) All life on the planet
 
  1) Hydrosphere
  2) Biosphere
  3) Atmosphere
  4) Geosphere


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ricroger

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 16, 2018
Answer to Question 1

D

Answer to Question 2

Answers: 1) C 2) D 3) A 4) B


kfurse

  • Member
  • Posts: 590
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

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?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Mixed Soil culture Mixed Soil culture
A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet A genetic bottleneck reduces a population temporarily to very low levels, removing much of its genet
Cultural Differences in Levels of Conscientiousness Cultural Differences in Levels of Conscientiousness
Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ... Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...
Proteins play an important role in keeping your skin healthy and your nails strong Proteins play an important role in keeping your skin healthy and your nails strong
AACN Standards for Healthy Work Environments AACN Standards for Healthy Work Environments
Video: Neurosynapse Animation

For a complete list of videos, visit our video library