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Q: What in earth has reversed itself several times in the past?
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The alignment of iron minerals in rocks when they are formed reflects the fact that Earth's has reversed itself several times in the past.?

magnetic field..


The alignment of iron-bearing minerals in rocks when they formed reflections the fact that earths has reversed itself several times in its past?

magnetic field .


How many times has the earth's magnetic field reversed itself in the past?

The Earth's magnetic field has reversed hundreds of times in the past, with the most recent reversal occurring approximately 780,000 years ago. These reversals are a natural process that has taken place over millions of years.


How many times has the earth reversed it's magnetism in the last four million years?

The Earth's magnetic field has reversed its polarity several hundred times over the past 160 million years, with an average reversal rate of about once every 200,000 to 300,000 years. This means that in the last four million years, it may have reversed polarity around 20 times.


The alignment of iron minerals in rocks when they are formed reflects the fact that Earth's has reversed itself several times in the past?

The alignment of iron minerals in rocks, known as paleomagnetism, provides evidence of past magnetic field reversals on Earth. These reversals have occurred several times throughout Earth's history, as recorded in the rock record. Studying this phenomenon helps scientists understand the history of Earth's magnetic field and geologic processes.


What has reversed itself many times which is proven by the alignment of iron minerals?

Earth's magnetic field has reversed itself many times over its history, as evidenced by the alignment of iron minerals in rocks that record these changes. This phenomenon is known as geomagnetic reversal, where the magnetic north and south poles switch places.


What evidence in rocks supports the theory of seas-flooring spreading?

1.) The age of the rocks- the oldest ones are found further away from the original mid-atlantic ridge. 2.) Magnetic clues. The rocks with iron in them have shown that the Earth's magnetic field has reversed itself several times. It is imprinted in the rock.


Does the earths magnetic field has periodically reversed direction?

Yes, the Earth's magnetic field has periodically reversed its direction throughout history. These reversals are known as geomagnetic reversals and have occurred many times over the past few million years.


Does a worm virus copy itself two times?

It can reapeat several times!


Do the earth's magnetic poles have reversed themselves?

Yes, the Earth's magnetic poles have reversed themselves multiple times throughout history. This process is called geomagnetic reversal or magnetic field reversal, and it has occurred many times over millions of years. The last reversal occurred about 780,000 years ago.


How have Earths magnetic poles reversed many times during Earths history?

Earth's magnetic poles have reversed many times in the past due to changes in the Earth's molten outer core. As the molten metal moves, it generates the Earth's magnetic field. Over time, this movement can cause the magnetic field to weaken, flip, and establish a new polarity. The process of pole reversals is a natural part of the Earth's geophysical history.


Is Pluto bigger than Earth?

No. Pluto is several times smaller than Earth.