At Which of the Following Sites Does Seafloor Spreading

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Analysis of seafloor sediments b. A A Submit Question 15 My Response Which of the following would be the best control sample for the study.

Plate Tectonics Seafloor Spreading Britannica

The mid-ocean ridge is where the seafloor spreading occurs in which tectonic plateslarge slabs of Earths lithospheresplit apart from each other.

. At which of the following sites does seafloor spreading result in rifts and possible volcanoes. The two plates would push apart and form a rift zone. Which of the following is not evidence for sea floor spreading.

Magnetic reversals recorded by basalts that cooled on the seafloor at similar times. Seafloor spreading was proposed by an American geophysicist Harry H. 2 How does this confirm the spreading of the seafloor.

Pleaseeee help mee Along which features does seafloor spreading occur. The less-dense material rises often forming a mountain or elevated area of the seafloor. At which of the following sites is an earthquake most likely to occur as two plates.

The oceanic plate would rise up over the continental plate. The idea of seafloor spreading along the mid-atlantic ridge was supported by evidence from. Fault lines ocean basins ocean trenches mid-ocean ridges Why is no land created or destroyed at transform boundaries.

More than 220 active vent sites have been identified along the 58000 km of global mid-ocean ridge crests over half of them along spreading ridges in the eastern Pacific Ocean. The theory of plate tectonics explains the formation movement and subduction of Earths plates. Seafloor spreading occurs at the boundary between two tectonic plates.

3 Section 45 - Plate Tectonics 1. He also found out that. 12 Questions Show answers.

Once the basalt cools completely into solid rock the. And several interesting life forms indirectly. Which of the following is not evidence for sea floor.

By the use of the sonar Hess was able to map the ocean floor and discovered the mid-Atlantic ridge mid-ocean ridge. They plan to measure the density of a species of algae growing along the bottom of a river that flows through their town. The correct order of seafloor features from the coast to the mid-ocean ridge is.

5 Which of the following findings support the seafloor spreading theory. The alternation of polarity in segments of the ocean floor c. These plates float on the asthenosphere due to convection currents.

Seafloor spreading is the mechanism by which new seafloor lithosphere is constantly being created at mid-ocean ridges. Seafloor spreading centers proved to be particularly important in nourishing the seafloor with a wealth of minerals directly. A sample of water collected just A downstream of the southern forest A sample of water collected just B.

Seafloor spreading occurs at divergent plate boundaries. After following the EASY step-by-step instructions students answer questions analyze conclude worksheet attachedPre-lab Questions - Complete these questions before coming to labMolten rock pushes up from thePatterns of polarity in the seafloorSea Floor Spreading Lab Worksheet Answers - Tutorial PicsPart B - Paleomagnetism and Sea Floor. As tectonic plates slowly move away from each other heat from the mantles convection currents makes the crust more plastic and less dense.

As the plates divide magma comes up through the crack and cools to form new sea floor. Because magma rushes into gaps at these boundaries because the plates crumble into each other at these boundaries. This theory introduced by Harry Hess was proven as patterns of magnetic.

4 What does plate tectonic theory predict about the distribution of volcanoes and earthquakes. Which of the following is not evidence of sea-floor spreading. Eventually the crust cracks.

Earths lithosphere is broken into plates that are in constant motion. Move towards each other typically forms mountains island arcs earthquakes and volcanoes. Most basalt magmas contain abundant molten iron.

The farther away the floor is from. Which is one piece of evidence of seafloor spreading. The relationship between earthquakes and plate boundaries.

As magma starts to harden into rock iron-rich minerals solidify first. The idea of seafloor spreading along the mid-atlantic ridge was supported by evidence from. Move away from each other typically result in seafloor spreading rift valleys volcanoes and earthquakes.

The distribution of ice sheets across the planet d. Removal of large portions of soil and rock in order to access the ore underneath. Which statement best describes the age of the seafloor.

Their crystals are pulled into alignment by the Earths magnetic field just like a compass needle is pulled towards magnetic north. What happened as a result of spreading nationalism in the balkans. A A B B C C D D Students want to determine the impact of soil erosion from the development of new housing.

A A D D Submit Question 8 My Response At which of the following sites does seafloor spreading result in rifts and possible volcanoes. At which of the following sites does seafloor spreading result in rifts and possible volcanoes. This theory incorporates both the theory of continental drift and the theory.

Using the Seafloor Spreading Theory where does less dense materials from below the earths crust rise to. Explain the theory of plate tectonics. If these two plates came together what would happen.

Which of the following is NOT evidence for sea floor spreading. The seafloor spreading definition is the geologic process that occurs at the boundary between 2 plates where molten material within the earth pushes its way up causing the plates to move away. The average density of continental crust is 28 gcm 3 and the average density of oceanic crusts is 32 gcm 3.

Marine magnetic anomalies result from seafloor spreading in conjunction with. According to Seafloor Spreading Theory where is the actual site of tectonic activities. 3 Why do you think geologists might find Iceland a useful place for studying seafloor spreading.

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