Do you think the particular muscles involved in writing the signature were responsible for the similarities, or the way you visualized the letters in your brain? Explain.

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat