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1. What made scientist believe that the seafloor was spreading?
Samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached, and the sediment cover is thinner near the ridge.
Also, the rock making up the ocean floor is considerably younger than the continents, with no samples found over 200 million years old, as contrasted with maximum ages of over 3 billion years for the continental rocks.
This confirms that older ocean crust has been reabsorbed in ocean trench systems.
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How does ocean floor spreading relate to plate tectonics and continental drift?
The connection is that the ocean floor spreading is what causes the subduction. When the steadily enlarging ocean floor meets a continental plate it slides under it. That's what subduction means.
When was The Floor Is Made of Lava created?
The Floor Is Made of Lava was created in 2006.
What material do scientists believe makes up a large part of the upper mantle?
Scientists believe that the upper mantle is primarily composed of peridotite, a rock made up of minerals such as olivine and pyroxene. This composition is based on studies of seismic waves, rock samples from the mantle, and experimental research under high pressure and temperature conditions.
How would the age of the oldest rocks on the continents compare with the age of the oldest rocks on the seafloor if the rock on the continents is continually formed but not removed?
The oldest rocks on the continents would be much older than the rocks on the sea floor because the rocks on the continents are not being removed unlike the rocks on the sea floor that are made by the mid-ocean ridge are being removed by deep ocean trenches. this prossess that is occuring on the sea floor is called sea floor spreading. evidence of this is the Pacific ocean shrinking and the Atlantic ocean growing.
How many rings does Saturn have that scientists think?
Scientists believe Saturn has a total of 83 rings. These rings are made up of ice, rock, and dust particles, and they range in size from tiny particles to larger chunks of ice. The rings are organized into distinct groupings based on their size and composition.
What made the scientists believe that the ocean floor is spreading?
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What made the scientist believe that the ocean floor is spreading?
murit ka utouto
What made scientists accept Alfred wegener theory years later?
Accumulating data, especially proof of sea floor spreading.
What a spreading center and what is made at one?
Sea floor spreading 2 oceanic plates coming apart
What percentage of scientists believe in man-made global warming?
Approximately 97 of scientists believe in man-made global warming.
What is the relationship between platetectonics and seafloor spreading?
Plate tectonics is the theory that earth is made of plates that move slowly. Sea floor spreading is related to this because the split created in the sea floor is created by the plates moving apart.
How do you use canard in a sentence like spreading rumour?
The canard made everybody believe that me and riya are in a relation.
Who designed a first elavator that made it possible for people to move easily from floor to floor in a skyscraper?
I do believe that it was Elisha Otis
Which layer of Earth do scientists believe is most likely made of solid metals?
The inner core.
Which layer do scientists believe is most likely made of solid metals?
Scientists believe that the Earth's inner core is most likely made of solid metals, primarily iron and nickel. This is supported by seismic wave data and studies on the Earth's magnetic field.
Does sea-floor spreading increase the diameter of the earth?
No. While new sea floor is being made in one place, at other places it is being destroyed, the diameter of the earth therefore remains constant overall.
What is the difference between subduction and seafloor spreading?
Sea floor spreading is where new oceanic crust is formed through volcanic activity and then moves away from the ridge. Subduction is when one tectonic plate moves under another tectonic plate. Hope this helped :)
