The ancient Chinese invented the magnetic compass thousands of years ago since then many of the regions have created new and improved versions of that a regional compass

How many miles is each lap?

D. a mountain abd are made by volcanos and 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.