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 65 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

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Plant cell-to-cell junctions known as middle lamella Plant cell-to-cell junctions known as middle lamella
The life cycle of a flowering plant. The life cycle of a flowering plant.
Three Tissue Systems Extend Throughout the Plant Body Three Tissue Systems Extend Throughout the Plant Body
Plant Plant
Plant Plant
Cyanosis as shown here at the patient’s fingertips results from a lack of oxygen in the tissues Cyanosis as shown here at the patient’s fingertips results from a lack of oxygen in the tissues
Video: ribosome

For a complete list of videos, visit our video library