B Of course, the real drawback to traveling to Mars is the lack of cell phone reception.
An idea that is stated directly in the text
This is the best I got: The best way to prove that slavery was in fact an inefficient market because the assumptions of Fogel and Engerman are weakly based and in some cases rather short-sighted.
Answer:
Permanent magnets are materials where the magnetic field is generated by the internal structure of the material itself.
Explanation:
But in certain materials, called ferromagnets, all the spins and the orbits of the electrons will line up, causing the materials to become magnetic. This would be your normal iron, cobalt, nickel
