No, we cannot for two reasons: WikiAnswers is unable to supply images - including photos and diagrams - and even were this not so, humans cannot physically see an electric charge of any kind.
it would be very hard to draw but if you draw 2 ballons one with air and one with no air then see which ones heavier it has to be the ballon filled with air
it is used in classification and shows the root of a person's family on a family tree diagram, and help identify a creature/object in a classification tree diagram.
There are a couple of problems.1). We can't draw sketches on WikiAnswers.2). Even if we could, we don't know what shape you want to see. Ten acresof area can have any shape ... circle, square,...