In 1960, the earth carried 3 billion people and 127 million cars. Today it has more than ___ billion people and ___ billion cars
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It might be challenging to estimate the thickness of a thin layer of a substance. If a micrometer is available and the material is not too thin, it can be used to measure thickness directly. In the absence of a micrometer, thickness measurement must be done indirectly.
<h3>How is the thickness of aluminum foil determined?</h3>All that is required of us is to cut a piece of the problematic aluminum foil, measure its height and length (so that we can determine its area), crumple the foil into a small ball, and weigh it using a milligram balance. The information needed to indirectly calculate the aluminum foil's thickness will then be available to us.
<h3>What measurement unit is best for representing the thickness of the foil?</h3>The foil will likely be roughly a micrometer thick, which translates to a thickness of 1 x cm in centimeters. Since an atom is roughly
m in size, there will be 1 x
atoms in a unit of 1 x
cm.
Learn more about thickness measurement: brainly.com/question/24192027
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