A factor of 50dB = a factor of 10^(50/10) = 10^5 = a factor of <em>100,000</em> .
laborious ... enclosed may help ... cos -angle = cos +plus angle ... sin - anfle = - sine angle
cos is even function, sine is odd ... draw rhe graohs
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because the electricity always looking for a way to get to the ground
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d.solid to liquid cause they were once on a fixed and started to slide.liquid particles slide along a container so it is a solid to liquid