Rocks become magnetic when(1 point)

Answer 1

iron particles within the rock align with Earth's magnetic field.
iron particles within the rock align with Earth's magnetic field.

continents move.
continents move.

rocks are heated to extreme temperatures.
rocks are heated to extreme temperatures.

Earth's magnetic field reverses direction.
Earth's magnetic field reverses direction.

Answer 2

everything is annoyingly repeated.
everything is annoyingly repeated.