Practicing Success
Study the diagram carefully and attempt the questions.
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Between 1930 to 1960, the simple average rate of increase in world population, is shown as __________. |
0.022 billion/year 0.033 billion/year 0.044 billion/year 0.055 billion/year |
0.033 billion/year |
The correct answer is Option (2) → 0.033 billion/year Average increase per year=1 (billion)/30 (years) |