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AnnZ [28]
3 years ago
10

Earth’s thin, rocky outer layer is its

Biology
2 answers:
liraira [26]3 years ago
7 0
Earth’s thin, rocky outer layer is its crust. A small example is like a crust on a piece of bread. :) 

C is your answer 

IrinaK [193]3 years ago
7 0

Answer: The correct answer is C) Crust.

Earth is primarily composed of four layer from outside to inside. These layers are as follows-

1) Crust- It is the outermost layer of earth, which comprises of two basic rocks that is granite and basalt. It is hard and thinnest layer of the planet earth.

2) Mantle- It lies beneath crust and it is a thicker layer of very hot and dense rock.

3) Outer core- It lies beneath mantle and it is a layer of low viscosity fluid ( molten form). It is responsible for the magnetic field of earth.

4) Inner core- It is the innermost layer with extremely high temperature and pressure.


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The formation of the fertilization envelope (slow-block to polyspermy) requires an increase in the availability of _____.
jok3333 [9.3K]
<span>The formation of the fertilization envelope (slow-block to polyspermy) requires an increase in the availability of </span>calcium ions.

Slow-block to polyspermy is also called cortical reaction. In this reaction, the sperm will be permanently blocked by cortical granules. The release of calcium ion will trigger this reaction.
7 0
3 years ago
Some people seem more willing to openly display prejudice regarding sexual orientation than prejudice regarding race and gender.
STALIN [3.7K]

Answer:

Some people offer more prejudice on the sexual orientation because sexual orientation like gay marriages were not seen in the world before. Before the 21st century, the same- sex marriage was never seen or heard about. So, today people display more prejudice regarding this issue because sexual orientation began in the 21st century. Many people are of the view that this same sex marriage is not traditional and hence it is not right morally. While others believe that every person has the right of freedom and this is their civil right to do what they like.

The discrimination based on race and gender has been an issue from the start of human lives. Almost every country has a history which shows race and gender discrimination. Hence, though majority of the people today are against this but still is is not as a hot and new topic for prejudice as the topic of sexual orientation is.

6 0
3 years ago
As of January 1, 2010 what is a legal requirement for a person born on or after january 1, 1988 to operate a vessel powered by a
dybincka [34]

For a person born on or after January 1, 1988, to operate a vessel of 10 horsepower or greater on Florida waters, the Florida law requirements follow.

<h3>What are the Florida law requirements?</h3>

Florida law requires a person born on or after January 1, 1988, to operate a vessel powered by a motor of 10 horsepower or greater on Florida waters to meet the following:

  • Successful completion of an approved boating safety course.
  • Possession of a Boating Safety Education Identification Card issued by the FWC.
  • Thus, a legal requirement for a person born on or after January 1, 1988, to operate a vessel powered by a motor of 10 horsepower or greater on Florida waters is possession of a Boating Safety Education Identification Card issued by the Florida Fish and Wildlife Conservation Commission (FWC) after the successful completion of an approved boating safety course.

Learn more about the Florida Fish and Wildlife Conservation Commission at

brainly.com/question/4478106

#SPJ1

8 0
1 year ago
What is the name of the membrane surrounding the brain? What is the<br> function of this membrane?
wlad13 [49]

Answer and explanation:

The meninges

There are actually 3 parts—dura mater, arachnoid, and pia mater.

The brain is soft and mushy, and without structural support it would not be able to maintain its normal shape. In fact, a brain taken out of the head and not properly suspended (e.g., in saline solution) can tear simply due to the effects of gravity. While the bone of the skull and spine provide most of the safeguarding and structural support for the central nervous system (CNS), alone it isn't quite enough to fully protect the CNS. The meninges help to anchor the CNS in place to keep, for example, the brain from moving around within the skull. They also contain cerebrospinal fluid (CSF), which acts as a cushion for the brain and provides a solution in which the brain is suspended, allowing it to preserve its shape.

The outermost layer of the meninges is the dura mater, which literally means "hard mother." The dura is thick and tough; one side of it attaches to the skull and the other adheres to the next meningeal layer, the arachnoid mater. The dura provides the brain and spinal cord with an extra protective layer, helps to keep the CNS from being jostled around by fastening it to the skull or vertebral column, and supplies a complex system of veinous drainage through which blood can leave the brain.

The arachnoid gets its name because it has the consistency and appearance of a spider web. It is much less substantial than the dura, and stretches like a cobweb between the dura and pia mater. By connecting the pia to the dura, the arachnoid helps to keep the brain in place in the skull. Between the arachnoid and the pia there is also an area known as the subarachnoid space, which is filled with CSF. The arachnoid serves as an additional barrier to isolate the CNS from the rest of the body, acting in a manner similar to the blood-brain barrier by keeping fluids, toxins, etc. out of the brain.

6 0
3 years ago
A chemical reaction that releases energy is called ___________ and a chemical reaction that absorbs energy is called ___________
coldgirl [10]

Answer:

a exothermic;endothermic

Explanation:

learned that in sience class yesterday

3 0
2 years ago
Read 2 more answers
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