Iron rich minerals in rock pointed in one direction the switch to the exact opposite direction. I'd say that what supports this idea is that <span><u>Earth's magnetic field goes through pole reversals.</u></span>
Smaller scale has less variables and correlations to be based on while a larger scale has a bigger amount of mathematical numbers to be based on
A halo like shape, you are welcome
Answer:
It is formed on earths surface because igneous rock is formed by volcanoes and volcanoes are on land
Explanation: