Based on this graph, which of the following statements is incorrect? FYI Online
1. The industrial revolution caused an increase in the rate of growth of the human population.

2. Significant events in human history can impact the growth of the human population.

3. The advent of modern medicine caused an increase in the rate of growth of the human population.

4. If the bubonic plague reemerged, only a small fraction of the human population would be affected.