One of the main goals of OPEC's members is to A. help set international oil prices
B. experiment with new energy sources
C. settle conflicts over water resources
D. discover all of the world's petroleum sources

It is A

Explanation: I got it wrong the first time. But its A

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.

answer; interpreting someone's past consistent with present deviance;