<p>I think these questions have wrong answers.. can someone please help me check?</p>
<p>The Columbian Exchange of the last 500 years:
A. Actually began in the 19th century
B. was a dramatic swapping of organisms between once-isolated continents
C. refers to the price that gold from the Americans brought back in Europe.
D. was originally only between Spain and France
E. all of the above </p>
<p>I chose B, but the book says it is A</p>
<p>One of the Ferdinand Magellan's ships was the first European vessel to
A. circumnavigate the globe
B. reach West Africa
C. visit what is today Canda
D. make it to Cuba
E. all of above.</p>
<p>Nucleus, I wouldn't take practice tests from there. How could the Columbian exchange of the last 500 years actually begin in the 19th century? Doesn't make sense whatsoever. And the second question is not representative of actual AP questions.</p>