Objects with like charges repel/repulse each other while opposite charges attract each other
The direction of an electric fields is alway the direction electrons would naturally move.
Not sure about the last one, my gut instinct is opposite.
<span>You should use the two finger technique at the sternum and give 30 chest compressions at a quick pace (100 times/minute pacing). Push hard and push fast is important for CPR.</span>
