(e) why is the difference in solar radiation received between 60'n and 30-n greater in summer? in 60"n and 30'n greater in the winter

Answer they are produced by collision of tectonic plates;

Unique question.well, using science, you cannot create or destroy even if you do eat yourself so you would not grow twice as big, nor would you disappear. you would stay the same but change states potentially, or at least change your appearance (obviously).hope this . keep up these unique questions.

Considering only personal water use, people in the developed world use about  germany was the only country in world war 1 to use u-boats  than people in the developing world