Answer: Student 2
Explanation: Iron nail and a paperclip are conductors because they are made of metal. A rock, rubber band, and wooden stick are insulators because they cannot conduct electricity.
745.92 hz (b)
this is hte answer only because i seen it on the question lol
Limestone, Sandstone, and Shale would be the answer.
I think it is D
Hope my answer help you?