Explain how scientists learned about the magnetic poles of the Earth. pls, help me w at least 1 sentence.

ocean basalts

Explanation:

As the sea floor slowly spreads, the igneous rock(ocean basalts) of which it is comprised cools and congeals, recording the earth's current magnetic pole alignment.

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

it takes on an electronical energy