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
VLD [36.1K]
2 years ago
14

Pls help ASAP! I have no idea what this is!!! ._.

Biology
1 answer:
KengaRu [80]2 years ago
4 0
Topsoil (horizon A):Very rich in humus(dead organic matter like plants) and minerals.

Subsoil (horizon B):less rich in humus and minerals

Weathered Rock (horizon C):Little or no plant life due to it being all rock

Hope this helps :)
You might be interested in
The cell membrane is made of phospholipids and is selectively permeable, or semipermeable.
kap26 [50]

Answer: Its when you don't know nothing and lose most of your cells and barely know aything p.s IGMME

7 0
3 years ago
Why is 4 the correct answer to number eighteen ? Explain why and please answer this !!
swat32

because that is where the sperm divide to multiply

4 0
3 years ago
Hydrogen ions are important in the light-dependent reactions of photosynthesis because they produce a
Mnenie [13.5K]

Answer:

<u>a. the production of ATP</u>

<u />

Explanation:

Photosynthesis is type of biosynthesis that produces glucose from the reactants sunlight, carbon dioxide and water. It happens in two phases of the chloroplast, the light-dependent and light-independent reactions. In a light reaction that stimulates photosystems, pigments such as chlorophyll absorb light energy at specific wavelengths.  Here,

  • Light energy stimulates photosystem complexes formed from chlorophyll. Photosystem II then absorbs and transfers light to a reaction core.
  • Water undergoes hydrolysis or splitting to yield an electron, a proton (H+) and oxygen.
  • energy is passed along the electron transport chain, where it forms builds up H+ and an electrochemical gradient in the thylakoid space
  • These protons pass through the ATPase enzyme embedded within the membrane, into the stroma, generating ATP from ADP.
  • NADPH is generated from NADP+

8 0
3 years ago
What process changed the genetics of some rabbits over many generations to give them white or spotted fur and to make them frien
irinina [24]
I think it would be selective breeding
6 0
3 years ago
Rigor mortis occurs because ________.
Kamila [148]

Answer:

No ATP is available to release attached actin and myosin molecules.

Explanation:

Two to six hours later after death, all skeletal muscles of the body become rigid and stiff. This situation is defined as Rigor mortis. It occurs from the lack of ATP along with the production of lactic acid. When breathing stopped permanently in the body, oxygen level also reduced; that’s why body muscles cannot go for any aerobic respiration to produce any ATP. 

As we know already, during every muscle construction, ATP needs to break the cross-bridge between Myosin and Actin. So if there is no ATP produced in the body, separation of Myosin molecules from Actin molecules cannot happen anymore. This situation leads for rigor mortis.

6 0
3 years ago
Other questions:
  • How do living things (both plants and animals)get glucose and why do they need it?
    14·2 answers
  • To make a copy of a dna molecule, half of an old strand is matched to a new strand. what is this called?
    14·1 answer
  • What is the name of the bond that is created when two amino acids join? hydrogen bond
    11·2 answers
  • It refers to how something is constructed and how that construction relates to function
    9·2 answers
  • Use the drop-down menu to answer each question.
    11·2 answers
  • The anatomy in the female genital system subsection starts with the vulva and progresses upward to the:
    8·1 answer
  • What impact do trees have on the food web?
    9·2 answers
  • Which are examples of active transport across the cell membrane?
    6·1 answer
  • How do exogrya and pycnodonte differ from modern day oysters?
    8·1 answer
  • EXPERIMENT 1: How many fish with blue tags
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!