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
andreyandreev [35.5K]
2 years ago
13

Which of the following correctly identifies the most productive layer of a soil profile?

Biology
2 answers:
DedPeter [7]2 years ago
5 0
Just below the O horizon is “topsoil” or “A” horizon.
Usually it is darker than the lower layers, loose and crumbly with varying amounts or organic matter. Plants roots, bacteria, fungi, and small animals are abundant here, and plants thrive in it. It is generally the most productive layer of soil.
atroni [7]2 years ago
4 0

Answer:

A. topsoil, just below undecomposed organic matter.

Explanation: It's the answer on edgenuity ^-^

You might be interested in
What is not a branch of biology
klio [65]

Answer:

Geology

Explanation:

Geology is the study of rocks and the earth and is a different field of science

3 0
3 years ago
Read 2 more answers
Which of the following is true of innate behaviors that are described as instincts?
yanalaym [24]

Answer:

innate behavior described as instinct are regarding food, shelter, bonding with others of same species, protection..and love.

Explanation:

sigmund Freud describes human primal instincts as being every humans basic needs 4 survival...

7 0
3 years ago
Disturbances inside Earth’s core cause earthquakes. The starting point of the disturbance is called the epicenter. Why does the
lyudmila [28]

Answer:

BECAUSE THE FORCE IS PRODUCED FROM FOCUS AND WHEN THE FORCE REACHES EPICENTER ITS AMPLITUDE DECREASES BECAUSE OF DISTANCE

Explanation:

6 0
3 years ago
Which statement about control of glycogen metabolism is INCORRECT? Which statement about control of glycogen metabolism is INCOR
GuDViN [60]

Answer:

Glycogen synthase is phosphorylated at only one site.

Explanation:

Glycogen synthase has multiple sites where phosphorylation can occur. Glycogen synthase may have 9 or more sites where it can be phosphorylated as a result of which it's activity is down regulated. It simply means that the regulation of this enzyme does not occur through binary on/off switching, in fact it's activity is modulated over a wide range in response to various signals.

In contrast to glycogen phosphorylase which gets activated when it is phosphorylated at it's serine residues, glycogen synthase gets inactivated by phosphorylation.

As soon as another enzyme GSK3β phosphorylates glycogen synthase, it gets inactivated as a result of which glycogen synthesis halts in the liver.

5 0
3 years ago
Some geologists hypothesize that the mass extinction of dinosaurs was caused by a large meteorite impact. These geologists think
ANTONII [103]
The meteorite was probably 1<span>0 to 15 km (6.2 to 9.3 mi) wide</span> and affected the entire planet through a proces called "impact winter". As the name suggests, an impact winter is a period of low temperature produced by a huge cloud of ash and dust that blocks sunlight. Since sunlight is essential for plants to survive, if the sun rays are blocked by this cloud, all animals that depend on those plants (including dinosaurs) will die. The meteorite could have created such a cloud upon hitting the earth.  
3 0
3 years ago
Read 2 more answers
Other questions:
  • When do density-dependent factors operate most strongly
    5·1 answer
  • Many animals respond to periodic changes with __________________ cycles of behavior
    9·1 answer
  • Childhood and adolescence can be particularly difficult developmental times, and anxiety and mood changes are often considered a
    15·1 answer
  • animals with territorial behavior show courtship, imprinting, aggression, or spatial learning??? need asap
    7·1 answer
  • What do you think that some atroids tumble over end through space while other asteroids rotate around their axis
    6·1 answer
  • 5. Which is an example of an epidemic?
    15·1 answer
  • What are the three most important functions that a cell performs?
    13·1 answer
  • Answer please I give 5 stars if you answer and a thank you.
    14·1 answer
  • Which is an example of a statement about climate?
    12·1 answer
  • 55.37
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!