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
Igoryamba
3 years ago
15

Explain why the composition and liquid state of the outer core are necessary for creating Earth’s magnetic field?

Geography
1 answer:
topjm [15]3 years ago
7 0
Differences in temperature, pressure and composition within the outer core cause convection currents in the molten metal.This flow of liquid iron generates electric currents, which in turn produce magnetic fields.
You might be interested in
Hoyt's theory of urban land use and development emerged in response to changes in __________.
sweet [91]
Hoyts theory of urban land use and development emerged in response to changes in TRANSPORTATION
5 0
4 years ago
An igneous rock with small crystals (fine texture) cooled:
yanalaym [24]

Answer:

<h3>1:rapidly..................or no.4</h3>

Explanation:

........

8 0
3 years ago
Most of the region in this lesson has what type of climate?
Reika [66]
What was the passage or lesson about?
5 0
3 years ago
Read 2 more answers
Which of the following pieces of information with like glee be found on an economic active map
Zielflug [23.3K]
It is likely to show gpd
6 0
3 years ago
The theory of a land bridge between South America and Africa as an explanation for similar fossils on the two continents is not
andriy [413]

The theory of a land bridge between South America and Africa as an explanation for similar fossils on the two continents is not supported today because there are no remnants of the bridge in the Atlantic Ocean.

 

<span>A </span>land bridge, in biogeography<span>, is an </span>isthmus<span> or wider land connection between otherwise separate areas, over which </span>animals<span> <span>and </span></span>plants<span> <span>are able to cross and </span></span>colonize<span> <span>new lands. A land bridge can be created by </span></span>marine regression<span>, in which </span>sea levels<span> <span>fall, exposing shallow, previously submerged sections of </span></span>continental shelf<span>; or when new land is created by </span>plate tectonics<span>; or occasionally when the sea floor rises due to </span>post-glacial rebound<span> <span>after an </span></span>ice age.

 

The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

3 0
3 years ago
Other questions:
  • Which of the earths surface is composed of all the water on earth, and is located at number 2 in the image above
    5·1 answer
  • Tides are a type of wave caused by what type of natural force between the oceanâs water and the moon?
    14·1 answer
  • _______ are the first waves to leave the focus after an earthquake.
    5·1 answer
  • Why did populations concentrate in smaller areas during the agricultural revolution
    12·2 answers
  • Linguistic geographers believe that
    8·1 answer
  • Landslide – Portuguese Bend, CA. The Problem 1 placemark flies you to the Portuguese Bend area in California. This region has ex
    15·1 answer
  • Geologists use _________________ to determine a rock layer's absolute age. (1 point)
    6·1 answer
  • 2 questions on: Conduct a short research project on current LGBT issues and challenges in different regions of the world and ana
    15·1 answer
  • Se o clima e a variação do tempo de um determinado lugar pode-se afirmar a alternativa que indica respectivamente tempo e clima
    9·1 answer
  • Select all that apply.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!