Researchers studied the effects of exercise on the physical health of over 5000 residents in one locale throughout their middle and late adulthood. the research best illustrates a study.

Explanation:

Longitudinal studies are characterised for being applied in long periods of time, like this case, the 5000 residents were studied from middle age to late adulthood, which is a long time involved.

The type of the study depend on the phenomenon you are investigating.

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.