Physics

12 June, 11:22

Maria works in a hardware store. A bin of aluminum nails and a bin of iron nails are knocked over, and the nails get mixed up. Both sets of nails are the same color and size.

What makes separating the nails a fairly easy job?

A. Aluminum is heavier and iron is lighter.

B. Iron settles in water, while aluminum floats.

C. Aluminum is magnetic, and iron is non-magnetic.

D. Iron is magnetic, and aluminum is non-magnetic.

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