In which condition can population growth reduce per capita resource availability?

Correct answer: Resources remain the same and people increase

Direct answer: C, when resources remain the same while the number of people increases. Per capita availability means total resources divided among the population. If the amount of a resource stays constant but more people share it, the average share per person becomes smaller. For example, 100 units shared by 10 people gives 10 units each, but the same 100 units shared by 20 people gives 5 units each. A would generally increase per capita availability because resources are growing faster. B would also tend to increase the share because population falls while resources rise. D is not a realistic description of ordinary resource use and does not explain per capita availability. The conclusion concerns an average; actual access may differ among households. Memory cue: fixed supply plus more people means a smaller average share.