An average quality lawn captures 4 times the carbon output of a typical gasoline-powered mower.
answer:
i am pretty sure you use cross charges for this.
so i think it is the third choice.
Thompson proposed a model (the plum pudding model) whereby the negatively charged corpuscles were distributed in a uniform sea of positive charge. In other words the positive charge was like the pudding and the negative charge were like raisins on the pudding.
