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

Author Question: Humic substances consist of ________. A) dead plant & animal tissues B) living organisms and ... (Read 101 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Jul 22, 2018
Humic substances consist of ________.
 
  A) dead plant & animal tissues
  B) living organisms and cells
  C) polymerized, non-identifiable molecules
  D) identifiable biomolecules
  E) all of the above

Question 2

After drying to eliminate the water in plant litter, which two elements account for about 80 of the dry weight?
 
  A) Ca and C B) N and S C) C and H D) N and C E) C and O


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joneynes

  • Sr. Member
  • ****
  • Posts: 376
Reply #1 on: Jul 22, 2018
Answer to Question 1

C

Answer to Question 2

E


skymedlock

  • Member
  • Posts: 561
Reply 2 on: Jul 22, 2018
YES! Correct, THANKS for helping me on my review

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Scanning electron micrograph of a nematode within a plant leaf. Scanning electron micrograph of a nematode within a plant leaf.
Types of obligatory salt and water exchanges in a terrestrial animal. Types of obligatory salt and water exchanges in a terrestrial animal.
Plant adaptations for salty conditions. Plant adaptations for salty conditions.
Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
Image of pitcher plant mosquito Wyeomyia smithii, showing segmentation and partial anatomy of circul Image of pitcher plant mosquito Wyeomyia smithii, showing segmentation and partial anatomy of circul
Tissues and Regions of the Root Tip Tissues and Regions of the Root Tip
Video: Inflammation

For a complete list of videos, visit our video library