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Plate Tectonics

Plate tectonics are plate movements which will in turn cause earthquakes, volcanic eruptions, mountain ranges, and islands.

500 Questions

Where are the boundaries located?

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Boundary waters which is also commonly called Quetico- Superior Country is located somewhere in the border of Canada and the United States. It is considered a region of wilderness.

Why are the Appalachian mountains now located in the middle of the north American plates?

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The Appalachians formed when North America and Africa collided. In time, the places separated and so much crust was created that the mountains were no longer at the plate boundary.

Where are convergent located?

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generally in mountain ranges

What is an example of convergent thinking?

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An example of convergent thinking is when a group of people brainstorm ideas and then collectively narrow down the list to select the best solution to a problem. This process involves analyzing and evaluating different possibilities to arrive at a single, optimal solution.

Convection occurs because heated material becomes what?

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Convection occurs because heated material becomes less dense and rises, while cooler, denser material sinks. This creates a circular motion of fluid or air to transfer heat.

What did Alfred wegener think had happened to his supercontinent?

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Alfred Wegener proposed the theory of continental drift, suggesting that a supercontinent called Pangaea had once existed and gradually broken apart, with the pieces moving to their current positions on Earth's surface. He believed that the continents had drifted over millions of years due to the movement of tectonic plates.

How much do the continents move per year?

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The continents move at different rates, but on average they move at about 2.5 centimeters per year. This movement is due to the shifting of tectonic plates on the Earth's surface.

What is the first ever year?

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There isn't a definite one - it can't be meausred to that precision.

For human history and archaeology the BC / AD system is used, and is analogous to the use of 0ºC for everyday temperatures in taking a familiar but purely-arbitrary reference point, although with all-positive numbers for both BC and AD.

Geology and astronomy use a similar past-going but positive-number count as thousands or millions or years BP (Before Present), which I think is actually 1958. The 55-year difference between 1958 and 2013 is vanishingly small, far below the calculation tolerances.

It's also expressed by geologists as so-many ka or Ma (thousand or Million years ago, respectively.

Please explain the working principle of a centripetal pump with a simple diagram if possible?

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A centripetal pump works by using centrifugal force to move fluid through the pump. As the impeller inside the pump spins, it creates a centrifugal force that pushes the fluid towards the center of the pump. This force creates a vacuum at the center of the pump, which draws more fluid in. The fluid is then pushed out through an outlet at a higher pressure. Think of it like swinging a bucket of water around in a circle - the water moves towards the center due to the force of the swing.

What tools were used to prove seafloor spreading?

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Tools such as sonar mapping, geologic sampling, and paleomagnetism studies were used to provide evidence for seafloor spreading. Sonar mapping allowed for the creation of detailed maps of the ocean floor, revealing features such as mid-ocean ridges and deep-sea trenches. Geologic sampling involved collecting rock samples from the ocean floor to study their age and composition. Paleomagnetism studies focused on analyzing the alignment of magnetic minerals in rocks, providing evidence of past changes in Earth's magnetic field that support the idea of seafloor spreading.

Why is the crust of the earth continually moving?

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The crust of the Earth is continually moving due to the tectonic plates beneath it shifting and interacting with one another. This movement is driven by processes like mantle convection and plate tectonics, which cause the plates to collide, slide past each other, or move apart, leading to earthquakes, volcanic eruptions, and the formation of mountains and ocean basins.

The earth's crust is stationary that is it does not move?

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The Earth's crust is not stationary; it is made up of tectonic plates that constantly move and interact with each other. This movement results in earthquakes, volcanic activity, and the formation of mountains. It is a dynamic process known as plate tectonics.

What are the 2 motions of earth?

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The two motions of Earth are ;-

  1. Daily (24 hours) axial rotation.

  2. Annual (1 year) orbital (revolution) about the Sun.

NB There are several other known movements of the Earth. they are ;-

  1. The angle of the Earth's axis varies between 28 degrees to 21 degrees. Currently at 23 degrees.

  2. The Earth's orbit about the Sun is an ellipsoid, that is an ellips that doesn't quite close up with each orbit, but slightly overlaps. This elliptical movement varies between nearly circular to a narrow ellipse.

  3. The Earth speeds up an slows down through space, because the Sun lies at one of the foci of the ellipse , NOT the centre. As a consequence, when nearer the Sun we moive faster, and when further away we move slower.

  4. Because of the Moon , the Earth 'wobbles' in and out of its orbital track.

Summing , we can say that the Earth 'dances' through space, with the Sun and Moon as partners.

What happens when a toilet leaks?

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A leaking toilet can lead to water damage to the flooring and surrounding areas. It can also waste a significant amount of water, causing higher water bills. If left unresolved, it can lead to more serious issues like mold growth and structural damage.

The continental crust is composed of?

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wht is the continental crust made of?

What is the result of plates of earth pushing together or convergent movement?

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Formation of mountains, together with the associated volcanoes and earthquakes.

The prime/best example is the Indian sub-contiant (India) moving north into the Asiatic plate. The result is the Himalaya Mountains, & earthquakes in the region.

How can you tell which fiber is on top of all the others in a thread slide?

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To determine which fiber is on top in a thread slide, look for the one that is most prominent or appears closest to the viewer's perspective. Factors such as thickness, color, and texture can also help identify the topmost fiber. Orienting the slide under a microscope or using a hand lens can provide a clearer view for accurate identification.

When was plate tectonics discovered?

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The theory of plate tectonics was developed in the mid-20th century, primarily in the 1960s. Scientists such as Alfred Wegener, Harry Hess, and J. Tuzo Wilson were key figures in formulating and advancing the concept of plate tectonics.

Why can diamonds form in the mantle?

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The weight of the rocks above the mantle results in high pressure.
Diamonds need high temperatures and pressure to form from carbon. Diamonds form in the mantle in certain zones where conditions are right for them to do so.

There just happens to be the right critical temperature-pressure-mineral environment in the mantle in certain zones for their formation.

Is mount adatara a plate boundary or a hotspot?

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Mount Adatara is associated with a convergent plate boundary, as are all of Japan's volcanoes.

What tectonic plate is Ghana on?

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African Plate

Soooo easyyyy

How can you explain the fossils after continental drift?

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the same fossils were found on different continents

What is the driving force of the movement of the lithosphere plates?

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unequal distribution of heat within Earth.

What countries are part of the mid ocean ridge?

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Since it is called the 'mid ocean ridge' , it is in the middle of the ocean, far from land/countries.

However, with one exception, Iceland. The mid Atlantic ocean ridge continues above the surface of the ocean, and has formed the island of Iceland.

Is north american plate oceanic?

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NO!!! Most of it is above the ocena.

However, the eastern seaboard of the USA marks the edge of the submarine part of that plate.

If you look at a map of the eastern seaboard, without the ocean , the it fits neatly into the round should of Saharan North Africa; plate tectonics. !!!!!