Wrapping the copper wire around an iron nail, increasing the current.   Increase the power going through the wire or have more wire wrapped around the metal object. So in â¦ the case of a nail with wire wrapped around it, the more wraps you do the stronger the electromagnet will be.
Porcupines are a type of rodent found in two main regions of the world, so scientists group them into either Old World or New World porcupines.
Men wear loincloths and moccasins, adding leggings and sleeves and a cloak made of fur in winter. Women dress the same way, substituting a skirt for the loincloth. We wear body paint and beads and red is a favourite colour with porcupine quills and feathers for decoration. Women wear ornamental bone combs in their hair.