I believee the answer is A.
<span><em></em>These industries are crucial to the local economy and are called the economic base of the region. This material covers the economic base model of a region and the methodology of regional income and employment multipliers.
hope it's best answer.
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<span>The use of metal tools marked the end of the neolithic age and the beginning</span><span> of the metal age. Many tools were improved and various metals were used. </span>
Lake Ontario would be the answer
