As the World Grows:
The Unit Question
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Everyone knows that the worlds population is increasing. The chart at the left shows the changes over the past several centuries. If this pattern of data continued, how long do you think it would take until we were all squashed up against each other? You might find these facts useful:
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As you consider this problem, make note of any difficulties you encounter or any issues you think need clarification.
take 10-15 minutes