Final answer:
The rise in human population from 1930 to 1980 can be explained by the development of antibiotics and medical technology.
Step-by-step explanation:
The rise in human population from 1930 to 1980 can be explained by the development of antibiotics and medical technology. The graph depicts exponential population growth, with the number of people adding up more rapidly over time.
The introduction of antibiotics and advancements in medical technology played a significant role in reducing death rates and increasing life expectancy, leading to the population rise during that period.