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What do magnetic minerals prove the earth has had?
The presence of magnetic minerals in rocks proves that the Earth has had a varying magnetic field over time. This is evidence of the geodynamo process within the Earth's outer core, where convection currents generate the magnetic field.
Is it true that the earth has changed very little over time?
No, the Earth has changed significantly over time through geological processes such as plate tectonics, erosion, and volcanic activity. These processes have shaped the planet's surface, creating mountains, oceans, and other geological features we see today.
What theory states that Earth's landmasses have changed position over time?
The theory that states Earth's landmasses have changed position over time is called plate tectonics. It suggests that Earth's outer shell is divided into several plates that move and interact with each other, leading to the shifting of continents. This movement is believed to be driven by processes within the Earth's mantle.
Has Earth's climate changed over time?
Yes, Earth's climate has changed over time due to natural variations in the Earth's orbit, solar activity, and volcanic eruptions. However, the current rate of global warming is unprecedented and mainly driven by human activities, such as the burning of fossil fuels and deforestation, leading to an increase in greenhouse gases in the atmosphere.
Why has the north star changed over thousands of years as compared to how we see it on Earth?
It's not so much the North Star (Polaris) that has changed; stars do change, but usually not very quickly.What has changed is the direction of Earth's axis of rotation in space. It currently points almost exactly towards Polaris, but this will change over time.
What components of the earth have changed the least over time?
Components of the earth that changed the least over time include the earth's crust and mantle and the structure of the earth's interior. Other structures that have changed very little include the components of the atmosphere.
How did the Michif language change over the time?
The michif language changed over time with how the earth changed. The language changed so that people can learn it better with how the word is said and spelled.
How does fossilized teeth show that the earth climate has changed over time?
how big they are
What information do fossils provide about the history of organisms on earth.?
Organisms on Earth have evolved and changed significantly over time.
How has the amount of earth's radioactive isotopes changed over time and why has it changed?
They have been slowly declining over time because they decay, eventually becoming stable isotopes of other elements.
How have the amounts of Earth's radioactive isotopes changed over time and why has it changed?
They have been slowly declining over time because they decay, eventually becoming stable isotopes of other elements.
How has the amount of earth radioactive isotopes changed over time and why has it changed?
They have been slowly declining over time because they decay, eventually becoming stable isotopes of other elements.
Which of these statements is falseThe earth has changed very little over time.The continents are in constant slow motion.Earth's internal heat helps move tectonic plates.The early atmosphere did not contain oxygen?
The earth has changed very little over time.
How has anemometers changed over time?
how the anemometer changed over time
How have the laws of physics changed of time?
The laws of physics have not changed over time. Our understanding of them has changed over time.
Geology is the study of?
Geology is the study of the Earth's structure, composition, and the processes that have shaped the planet over time. It involves investigating rocks, minerals, fossils, and natural resources to understand Earth's history and how it continues to evolve.
What do magnetic minerals prove the earth has had?
The presence of magnetic minerals in rocks proves that the Earth has had a varying magnetic field over time. This is evidence of the geodynamo process within the Earth's outer core, where convection currents generate the magnetic field.
