Which statement explains the relationship between the rainfall and population distribution in Africa? A. Countries around the outer edge of Africa have greater populations because of the easy access to water used for drinking and transportation needs.
B. Countries in Africa that have greater rainfall totals have a large population, likewise those without a lot of rainfall have a small population.
C. All inland countries of Africa have high rainfall totals, but they do not all have a great number of people living within their borders.
D. While some countries in Africa with heavy rainfall totals have large populations, other countries with equal or greater totals do not.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.