-identifies an electric charge
-it can identify its polarity (positive or negative) if you compare it to a charge that you already know
-can identify the magnitude of a charge (how big of a charge it is)
The goal of scientific method is to produce public knowledge. That is knowledge available to any person with sufficient education, all such knowledge can be verified by or deduced from experiments and observations.
When turnig a corner, you should actiivate your turn signal 100 FEET from the corner...............
The 100 feet allowance will give the other drivers who are behind you enough time to realize that you want to turn, so that they can slow down and reduce their speed. This is necessary in order to avoid accident.
