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What is the hypothesis that proposed that earths continents were once joined in a single land mass?
The hypothesis that proposed that Earth's continents were once joined in a single land mass is called continental drift. This theory, formulated by Alfred Wegener in the early 20th century, suggested that the continents were once part of a supercontinent called Pangaea that later broke apart and drifted to their current positions.
What percentage of the earths surface do the continents represent?
Continents cover about 29% of the Earth's surface area. The rest of the surface is predominantly ocean.
When Pangaea moved over earths surface what was it known as?
When Pangaea moved over Earth's surface, it was known as continental drift. This theory proposed by Alfred Wegener in 1912 suggested that the continents were once all connected as one supercontinent before drifting apart over millions of years.
Which of Earths oceans was created by the breakup of the supercontinent Pangaea?
The Atlantic Ocean was created by the breakup of the supercontinent Pangaea. As Pangaea began to separate into the continents we know today, the Atlantic Ocean formed in between them through the process of seafloor spreading.
Continents and the ocean floor are part of earths solid rocky surface called?
crust
What is the hypothesis that proposed that earths continents were once joined in a single land mass?
The hypothesis that proposed that Earth's continents were once joined in a single land mass is called continental drift. This theory, formulated by Alfred Wegener in the early 20th century, suggested that the continents were once part of a supercontinent called Pangaea that later broke apart and drifted to their current positions.
What percentage of the earths surface do the continents represent?
Continents cover about 29% of the Earth's surface area. The rest of the surface is predominantly ocean.
How can the presence of the seven continents on the earths surface be explained?
the earths plates shifted....
What did earths continents look like?
Approximately 300 million years ago, the Earth's continents were joined together in a supercontinent known as Pangaea. Over time, Pangaea split apart to form the continents as we recognize them today.
How can the presence of seven continents on the earths surface be explained?
In great detail
When Pangaea moved over earths surface what was it known as?
When Pangaea moved over Earth's surface, it was known as continental drift. This theory proposed by Alfred Wegener in 1912 suggested that the continents were once all connected as one supercontinent before drifting apart over millions of years.
What is the approximate percentage of Earths surface that is covered by continents?
Just under 30%
Which of Earths oceans was created by the breakup of the supercontinent Pangaea?
The Atlantic Ocean was created by the breakup of the supercontinent Pangaea. As Pangaea began to separate into the continents we know today, the Atlantic Ocean formed in between them through the process of seafloor spreading.
How much of the Earths surface is covered by the continents?
Approximately 30% of the Earth's surface is covered by land, the remaining 70% of the surface is covered by water.
How has earths surface changed since the beginning of earths time?
The continents have moved, Volcanoes and mountains have made hige changes in the earths suface too.
What was Wegener's hypothesis about Earths continents have moved?
He thought that 300 million years ago, there was a supercontinent named Pangaea(There are many ways to spell this word) and it contained today's seven continents. A lot of scientists rejected his hypothesis because it contradicted their idea how mountains formed(A long time ago, they thought that Earth was slowly shrinking). He used fossils, land features, and ancient climatic zones to prove his idea, but the idea was never accepted until today.
How does the area of Earths surface covered by the oceans compare with the area of the continents?
One third is surface and the rest is the sea.
