Unlike a bar magnet<span>, however, </span>Earth's magnetic field<span> changes over time because it is generated by a geodynamo (in </span>Earth's<span> case, the motion of molten iron alloys in its outer core).</span>
Carbon dioxide and oxygen are two molecules that undergo this simple diffusion through the membrane.
Ok so alison spends the morning then her desk is the desk
Answer:
Sea Horses
Explanation:
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