How has human activities shaped the U. S. and Canada?

Dis the answer you perception is how you see the world 

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.

This type of energy is called radiant energy.