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Strips of alternating magnetic polarities found in rocks in the ocean basins .?
provide evidence for sea-floor spreading
How do strip of magnetized rock on the ocean floor provide evidence of sea-floor spreading?
Strips of ocean-floor basalt record the polarity of earth's magnetic field at the time the rock formed. These strips form a pattern that is the same on both sides of the mid-ocean ridge. the pattern shows that ocean floor forms along mid-ocean ridges and then moves away from the ridge.
Where the Strips of alternating polarities found in rocks in the ocean basis?
Strips of alternating polarities found in rocks in the ocean basins are the result of seafloor spreading. When new oceanic crust is formed at mid-ocean ridges, iron minerals in the magma align with Earth's magnetic field. Over time, as the crust moves away from the ridge, these magnetic minerals preserve the direction of the Earth's magnetic field at that time, creating alternating stripes of normal and reversed polarity on the seafloor.
How do you separate copper strips from sulfur powder?
To separate copper strips from sulfur powder, you can use a process called filtration. Mix the copper strips and sulfur powder with water to form a mixture. Then, pass the mixture through a filter paper to separate the solid copper strips from the sulfur powder, which will remain in the filter paper.
What are the disadvantages for having your land in long strips?
Having land in long strips can make it difficult to efficiently access all parts of the property, as you may need to cross multiple strips to reach certain areas. It may also result in limited options for development or land use due to the elongated shape. Additionally, land in long strips may be less visually appealing or provide challenges for effective land management.
Linear magnetic patterns associated with mid-oceanic ridges are configured as what?
Linear, magnetic patterns associated with mid-ocean ridges are configured as normal and reversed magnetized strips roughly parallel to the ridge. A very long lived magma source located deep in the mantle is called a hot spot.
Long raised strips of land called ridges run parallel to the coast?
These ridges are typically formed by the deposition of sediment by longshore drift or wave action. They can provide protection to the coastline by acting as a barrier against storm surges and erosion. Vegetation such as dune grasses often grows on these ridges, helping to stabilize them.
How are magnetic patterns in sea floor rock evidence of seafloor spreading?
Magnetic alignment of rocks, in alternating strips that run parallel to ridges, indicates reversals in Earth's magnetic field and provides further evidence of seafloor spreading.
What is the sequence of rock strips at the oceanic ridges called?
The sequence of rock strips at oceanic ridges is called "oceanic crust." It is formed through the process of seafloor spreading where magma rises through the Earth's crust, solidifies, and creates new crust. This process helps drive the movement of tectonic plates.
Magnetic strips on the seafloor are caused in part by?
Magnetic strips on the seafloor are caused in part by seafloor spreading, where new oceanic crust is formed at mid-ocean ridges. As the crust cools and solidifies, it locks in the polarity of the Earth's magnetic field at the time, creating a recorded history of magnetic reversals. This process creates alternating stripes of normal and reversed polarity as the seafloor expands.
How can I connect LED strips to create a cohesive lighting design in my space?
To connect LED strips for a cohesive lighting design, start by planning the layout and placement of the strips. Ensure all strips are compatible and connect them in series or parallel using connectors or soldering. Use a controller to adjust colors and brightness for a unified look.
How can I connect multiple LED strips to one power source?
You can connect multiple LED strips to one power source by using a power supply with enough voltage and current capacity to support all the strips. You can either connect the strips in parallel or use a distribution block to connect them in series. Make sure to calculate the total power consumption of all the strips to ensure the power supply can handle it.
How do strips of magnetized rock on the ocean floor provide evidence of sea-floor spreading?
Strips of ocean-floor basalt record the polarity of earth's magnetic field at the time the rock formed. These strips form a pattern that is the same on both sides of the mid-ocean ridge. the pattern shows that ocean floor forms along mid-ocean ridges and then moves away from the ridge.
Strips of alternating magnetic polarities found in rocks in the ocean basins .?
provide evidence for sea-floor spreading
What do strips of low intensity magnetism represent on the ocean floor?
it represents the fact that the magnetic poles of the Earth must "flip" from time to time - the iron in the magma that cools to become the ocean floor aligns with the poles so stripping would show that the poles have changed direction over time. Some scientists suggest the times when the poles "flip" match up with cataclysmic events in the Earths geologic history.
Why are magnetic strips on the sea floor are parallel to the mid ocean ridge?
The magnetic strips on the sea floor are parallel to the mid-ocean ridge because new oceanic crust is constantly being formed at the ridge due to volcanic activity. As the magma cools and solidifies, it records the Earth's magnetic field orientation at the time. This creates a symmetrical pattern of magnetic strips on either side of the ridge as the Earth's magnetic field reverses over time.
What long raised strips of land run parallel to the coast?
Long raised strips of land that run parallel to the coast are called barrier islands. These islands serve as a buffer against high tides, storms, and erosion, protecting the mainland coastal areas. Barrier islands are typically dynamic landforms that are constantly changing due to natural processes like winds, waves, and currents.
