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
o-na [289]
3 years ago
6

Did the scientists know precisely what causes the earths magnetosphere true or false

Social Studies
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0

<em>Answer:</em> True

Although there is a lot we do not know about the Earth, scientists do know why it is that the Earth has a magnetosphere.

The magnetosphere is a region that extends several tens of thousands of kilometers into space, above the ionosphere. It protects the Earth (its upper atmosphere) from cosmic rays and charged particles of solar wind.

When planets are created, the heat causes the different elements to separate into layers. Heavier elements, such as nickel and iron would sink towards the core. Eventually, the pressure that gravity would put on that core would cause it to become solid. However, the outer core stays molten because pressure is not as high. In this molten layer, the differences in temperature and pressure will cause currents, which will move metals around. This generates an electric current that causes magnetic fields.

Because the planet also spins on its axis, it helps align all the magnetic fields generated, allowing it to extend beyond the surface of the planet and form a magnetosphere.


You might be interested in
36. Distinguish between Democracy and Monarchy. (write any 2 points)
OLEGan [10]

Answer:

Democracy is a form of government in which the people have the authority to choose their governing legislation. A monarchy is a form of government in which a person, the monarch, is the head of state for life or until abdication.

people can live freely in demography but in monarchy people have to live under the rule of king

8 0
3 years ago
Read 2 more answers
What were some of the ways that young american men avoided military service in vietnam?
Svetradugi [14.3K]
Some escaped to Canada, some got doctor's excuses or joined the coast guard.
4 0
3 years ago
What is the goal of a government's "anti-natalist" policy?
katen-ka-za [31]

Answer:

c

Explanation:

7 0
3 years ago
Read 2 more answers
What are the two bases of measuring economic development of a country?​
Sidana [21]

Answer:

Two basis for measuring development of a country are : i) Average Income or per capita income. ii) National Income or Public facility

5 0
2 years ago
gundram leifert, roger labahn, tobias grüning, and svenja leifert. 2019. end-toend measure for text recognition.
bekas [8.4K]

In the context End-To-End Measure for Text's crucial to evaluate the performance of text recognition and text line detection engines before comparing systems and configurations. Both jobs have established metrics that can be used independently.

To evaluate the effectiveness of a system that combines text line detection with text recognition, however, there is no sophisticated system in place.

A well-known methodology that is occasionally applied in this context is the F-measure on word level. However, it can produce misleading findings because it does not account for the alignment of the hypothesis and the ground truth text. There is a considerable demand for such a metric since users of automatic information retrieval pipelines in the context of text recognition are primarily interested in the end-to-end performance of a given system.

As a result, we offer a metric to assess a text recognition system's overall quality. The widely accepted character error rate serves as the foundation for this measurement and is only applicable to aligned hypothesis and ground truth texts in its original form. The suggested measure is adaptable in that it may be set up to punish various reading orders between the hypothesis and the actual data as well as take into consideration the text lines' geometric positions. It also has the ability to disregard the over- and under-segmentation of text lines. It is possible to obtain a measure that best suits its own demands using these factors.

To know more about Hypothesis visit: In the

brainly.com/question/28104822

#SPJ4

3 0
1 year ago
Other questions:
  • Who uses more resources per capita: a child born in los angeles or a child born in rural india? why?
    12·1 answer
  • As opposed to automatic processing, ______________ refers to encoding that requires attention and conscious effort.
    14·1 answer
  • Hans spemann and colleagues developed the concept of the organizer in amphibian embryos while studying the _____.
    9·1 answer
  • Read the excerpt from "The Girl Who Silenced the World for Five Minutes.” In Canada, we live the privileged life, with plenty of
    10·2 answers
  • Kevin says "banana" and his dad gives him a banana to eat. Kevin says "banana" again, and this time his dad takes the crushed ba
    7·2 answers
  • Eddie, a Mexican, is a college student at Oklahoma City. He is good in studies and finishes all his college assignments on time.
    11·1 answer
  • Citizens have no rights, democracy or dictatorship
    11·1 answer
  • Campare sublimation with deposition?
    6·1 answer
  • Policies in which materialistic benefits and resources flow from one to another are also called?
    7·1 answer
  • a meta-analysis of drop out during cognitive behavioral treatments for mental health disorders, what did fernandez and colleague
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!