Fact: rocks sometimes contain iron
Question: A student is studying different aspects of science, and today's area is magnetic properties. The student has a magnet, and is testing which sort of objects the magnet will have an attraction to. The student is surprised that the magnet tugs itself towards

What's the answer? Select from the following. a. a plastic cup. b. a plaster wall. c. a grey stone. d. a paper plate.
c.