Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. part a: for a line that has current 110 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas.

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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moisture is lackin, and organic acids are scarce.