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Physics.
The Earth's crust is made of two basic kinds of rock: SiAl and SiMa (named after the most prevalent elements in them: silicon-aluminium and silicon-magnesium). SiAl rocks, like feldspar, are less dense than SiMa rocks (like basalt) and tend to "float" on them. The continents are mainly SiAl.
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∙ 11y ago
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How many times have all of Earth's continents come together to form a super continent?
Just once. This supercontinent was known as Pangea.
How many continents were there originally?
7 continents
Who separated the world into seven continents?
No one person achieved this. The continents separated themselves (and still move today); it's plate tectonics.
What was the name of when all continents were together?
Pangea
What was name of the continents when they were all connected?
Pangea
How did the continents come together?
the continents have never come together. however, they started out together as a land mass called Pangaea.
From what two continents did people come into the Americas?
The two continents that people came to America were from Europe and Africa.
Do people come from countries or continents for Olympics?
People come from different countries to participate in the Olympic Games. Many of these countries are on different continents, however the athletes represent their country not their continent.
Did art come from America or Europe?
Art is present in all continents.
Where does sand on beaches come from?
Sand represents the eroded rock of the continents.
What is the biggest landforms?
Newcastle well aye come onn Newcastle
What are the two continents combined to result an Asia?
Asia is one continent on its own. There are no two continents which come together which make up the Asian continent. However, during the time the continents were all together, this was known as Pangaea.
Can the continents come together again?
Yes. The convection currents in the mantle caused the continents to move apart, and eventually, they will once again meet someplace else on Earth.
Immigrants to the US come from what top 3 continents?
Europe, Asia, Central America
What current continents make up 2 super continents of pangaea?
The two supercontinents present today are America and Afro-Eurasia. However, they did not derive exactly from Pangea. The continents today did not come into place until about 50 million years ago.
From which two continents do the finalist teams come from?
Europe and south america. xxx love u
What continent does wheat come from?
There is a lot in North America but I think it can also grow in other continents.
