Answer:
The answer is D
Explanation:
Being in a valley results in air pollution being contained to an area.
<span>Determined.
Grandpa was making it known that his wishes would be carried out, no matter who had any objections. He shows pure determination by the tone he takes. The passage was set, by the author, to show that Grandpa had the final word in the matter.</span>
Free Trade Area of the Americas began with the Summit of the Americas<span> in Miami, Florida, on December 11, 1994, but the FTAA came to public attention during the </span>Quebec City Summit of the Americas<span>, held in Canada in 2001</span><span>
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First, technology is typically the most important contributor to U.S. economic growth.