A phospholipid has a charged head and an uncharged tail.
Disposal of human waste
through birds dropping the seeds of excreting them
through the dropping of seeds from the plants which sometimes are carried by the wind
True. The crust of the Earth has some permanent magnetization, and the Earth's core generates its own magnetic field, sustaining the main part of the field we measure at the surface. So we could say that the Earth is, therefore, a "magnet."
