Answer:
From 1900 to 1920 people began to move from rural to urban areas. In 1920 more Americans lived in towns and cities rather than rural areas.
Explanation:
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In the secondary state, the strain rate during creep follows an Arrhenius behavior.
Strain (ε) is defined as the distinction of the initial and the final distance among points divided by the initial distance. Stress rate derives from the ratio between the speed variation and the preliminary distance between points.
In materials science, the strain rate is the change in strain of a material with respect to time. The strain price at some point in the cloth measures the price at which the distances of adjacent parcels of the cloth exchange with time within the neighborhood of that factor.
The Arrhenius law predicts that the motion of the structural units (atoms, molecules, ions, and so on.) have to slow down at a slower price thru the glass transition than is experimentally located. In different words, the structural gadgets slow down at a quicker price than is expected by means of the Arrhenius regulation.
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