People who experience extrinic motivation are more likely to be personally committed to reaching their goals in those who only experience intrinic motivation

False

Explanation:

To be personally committed is to be doing something for yourself. In this case, having only intrinsic motivation is a better representation of personal commitment because you are doing it for yourself. Extrinsic motivation is doing something to get a reward, such as pay (working a job) or grades (studying in school).

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.

this is not a question