Charges are picked up and left in different places everywhere around you specially , you cannot create or destroy charges ; just move them what is this phenomena called ?

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

The activity of the modern sample is 1.10 bq . how long does that measurement take?

What advantages does a pedigree have over a written passage?