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it moves about a(n) inch a year.

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How did the discovery about seafloor spreading modify the theory of Continental drift?

Seafloor spreading explained WHY and how Continental Drift occurs. How can lands be 'moving' without a catastrophic or even noticeable change--- seafloor spreading accounts for these small changes. It identifies where the actual changes take place (even if we cannot identify the exact spots where spreading occurs). We can better estimate how much the "spreading" equates to observable/measurable changes of continents, specifically how fast (slowly) continents are moving closer or further apart. Seafloor spreading explains other phenomena, too, like the expulsion of methane gas pockets at the ocean floor which are suspected to interfere with flotation of ships and possibly the downing of airplanes that pass over where methane is released when methane gas disrupts the air above the water. Seafloor spreading also gives clues as to how mountains and valleys form underwater and on land.


What is the fastest wind found in a Hurricane?

the wind speed was very fast to fast for scientists


What design challenges do scientists face in trying to land a spacecraft on a comet?

the speed of a comet and the rotation is far too fast for a spacecraft to land


What cause sea floor spearding and continetal drift?

When hot magma pushes up from the Atlantic ridge, (A large,under water volcanic mountain range in the middle of the Atlantic Ocean) it has to go somewhere, so it pushes out and slowly forces the continents to move over the magma below it. Tey only move about as fast as fingernails grow, though.


What do scientists use to calculate how fast the plates move?

Scientists use GPS (Global Positioning System) technology to calculate how fast tectonic plates move. By tracking the movement of GPS stations placed on different plates over time, researchers can measure the rate of plate movement with high accuracy.

Related Questions

How fast does continental drift happen?

Continental drift occurs at a rate of about 2-5 centimeters per year, which is approximately the same speed at which fingernails grow. This movement is due to the slow spreading of tectonic plates beneath the Earth's surface. Over millions of years, this movement can lead to significant changes in the positions of continents.


Is tectonic plates a slow or fast change?

Tectonic plates move very slowly, but earthquakes are quite sudden. So, there are elements of slow change and fast change. Continental drift is slow.


What are the names of twinkies girlfriends in fast and the furious Tokyo drift?

Twinkie doesn't have a girlfriend in The Fast and the Furious: Tokyo Drift.


Can a civic drift?

anycar that will go fast enough will drift smart-one


Was fast and the furiuos Tokyo drift actually shot in Tokyo?

No, the fast and the furious Tokyo Drift was actually shot mainly in the U.S


What was a drift used for?

its used for fast cornering


Will there be a fast and furious Tokyo drift?

yes


A very fast current is a?

swift drift


In which fast and furios movies IS Vin Diesel?

the fast and the furious Tokyo drift fast and furious


What are the names of the third fast and the furious movie?

The Fast And The Furious: Tokyo Drift


Why is Lucas Black not in Fast Five?

The events of Tokyo Drift happened after the events of Fast Five. Tokyo Drift is really not a sequel to 2 Fast 2 Furious. In fact, you could watch every movie in the series except for Tokyo Drift and not miss anything.


How did han come back on fast and furious?

The movie Fast five comes before the movie fast and furious: tokyo drift. tokyo drift in terms of the movie timeline is last movie.