The most significant immediate impact of the Columbian exchange was the cultural exchanges and the transfer of people (both free and enslaved) between continents.
A bar chart, sometimes known as a bar graph, is a type of chart or graph that displays categorical data using rectangular bars with heights or lengths proportionate to the values they indicate.
<h3>What is a bar graph used for?</h3>
Bar graphs are used to compare data across groups or to follow changes over time. When attempting to measure change over time, however, bar graphs work best when the changes are big.
Bar graphs are a powerful graphic to utilize in presentations and reports. They are popular because they enable the viewer to identify patterns or trends far more simply than a table of numerical data.
Thus, Option C is what Dana should use.
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The correct answer for this question is this one: "b. increased prices." <span>The small increase in global oil production coupled with an increased demand for those resources leads to increase in prices.
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Here are the following choices.
<span>a. lack of modern energy sources
b. increased prices
c. decreased competition
d. decreased prices</span>
