Question

Magma is generally too hot to allow iron to move in alignment with the magnetic field. Magma needs to cool first. Select one:

a. True b. False

Answer 1

B. True

Step-by-step explanation:

Past data recorded shows that reverse of magnetic properties are found on rocks which bear iron minerals, when the magma cools these minerals begin to form and solidify wit the earth's magnetic fields in alignments as this record can be shown in old sedimentary rocks. These change directions with conditions of earth magnetic field.