1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeka57 [31]
4 years ago
12

In a well-developed soil profile, which horizon is the uppermost layer?

Biology
2 answers:
Murljashka [212]4 years ago
5 0

Answer: The A Horizon

Explanation:

A soil horizon can be define as a layer of soil laying parallel to the surface of the earth. The distinct soil horizons may vary due to difference in composition, texture and color.  The main soil horizons are A, B, C and O. The A horizon is the uppermost soil horizon. It includes the fine grained weathered particles and partially or completely decomposed organic matter obtained from the plant and animals biological wastes.

AleksAgata [21]4 years ago
3 0

Answer;

The A Horizon

Explanation;

-The major soil horizons are A, B, C and other soil types may have horizon O, which may be thick or thin and also not present in some soils.

-The A horizon is the uppermost layer in the soil profile. It is a weathered layer of the soil and is composed of an accumulation of humus and other microbial biomass which are mixed with minerals that are small-grained.


You might be interested in
Uncle Billy likes to drink alcohol, smoke cigarettes, and eat in a lot of fast food restaurants (McDonalds, Wendys, Pizza, etc).
77julia77 [94]

Answer: Eating a diet high in saturated fats, trans fats, and cholesterol has been linked to heart disease and related conditions, such as atherosclerosis. Also too much salt (sodium) in the diet can raise blood pressure. Not getting enough physical activity can lead to heart disease.

Explanation: Diet is an important risk factor in coronary heart disease. Heavy drinking may well increase heart attack, heart failure, stroke, and high blood pressure. A limit for men is 2 drinks a day, for women 1 drink a day.

7 0
3 years ago
Deer run in zigzag patterns when being chased by predators. What type of adaptation is this?
svet-max [94.6K]

This is called a behavioral pattern. This is something deer have learned over time that gives them an advantage in the wild.

7 0
4 years ago
The_____<br> is like the ______<br> system of<br> the human body because they both_________.
Sloan [31]

Answer:

The cell wall is like the integumentary system of the human body because they both protect the interior from the external environment.

Explanation:

4 0
3 years ago
What is a deep steep sided Valley Formed by weathering and erosion called
Finger [1]
A Canyon is your answer.
3 0
3 years ago
Which major contribution did Carolus Linnaeus to scientific study?
Marat540 [252]

I am pretty sure that the answer is B.

7 0
4 years ago
Read 2 more answers
Other questions:
  • Receptors that work through second messenger systems are called<br>receptors.​
    6·1 answer
  • Other than improvements in hygiene, give two reasons for the low death rate from infectious diseases in modern hospitals.
    13·1 answer
  • What are plankton and where do they reside?
    12·1 answer
  • A scientist is working on how genetic material like DNA is passed from one person to
    14·1 answer
  • When during the cell cycle are chromosomes visible?
    6·2 answers
  • Which structure contains the muscles that adjust the shape of the lens of the eye?
    8·1 answer
  • What are Stem cells found in adult tissue, such as in the bone marrow, brain, muscle , skin , and liver only capable of ?
    11·1 answer
  • Describe in detail the process of Natural Selection / Evolution.
    7·1 answer
  • How many reactants are in the fermentation chemical equation?
    12·1 answer
  • Slicon it position on the periodie table and its chemical properties based on that position​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!