Look at the picture of an electromagnet that has picked up one sewing pin. Which change could you make to allow the electromagnet to pick up more sewing pins? ( h O A. Use twice as many coils of wire around the nail. OB. Use a nail that is much larger than the one shown. O C. Use half as many coils of wire around the nail. O D. Use a nail made of a nonmagnetic material

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )

The hawk receives 0.1% energy from the caterpillar although the caterpillar gets eaten by another bird smaller than the hawk first

The experiment information is needed in order ro answer rhis question show your work