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

Author Question: An important role played by humus in the soil is: a. as a catalyst in chemical reactions by which ... (Read 117 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
on: Aug 7, 2018
An important role played by humus in the soil is:
 a. as a catalyst in chemical reactions by which plants extract nutrients from the soil.
  b. as an improver of soil structure and water retention.
  c. as a source of food for microscopic soil organisms.
  d. all of these

Question 2

The ecosystem concept can be applied on almost any scale.
 a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Aug 7, 2018
Answer to Question 1

D

Answer to Question 2

True


a0266361136

  • Member
  • Posts: 538
Reply 2 on: Aug 7, 2018
Gracias!

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Einstein - The important thing... Einstein - The important thing...
Soil as Habitat Soil as Habitat
The role of substrate specificity in the mechanism of enzyme action. The role of substrate specificity in the mechanism of enzyme action.
Women have the role of kinkeeper in almost all cultures. This may cause them to react to stress by ... Women have the role of kinkeeper in almost all cultures. This may cause them to react to stress by ...
Lipids: Fats and Their Chemical Relatives Lipids: Fats and Their Chemical Relatives
An electrochemical cell is based on these two half-reactions An electrochemical cell is based on these two half-reactions
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library