Explanation: Environmental solutions in the western Europe is considered to be outside the boundary of the nation. The environmental problems in western Europe area are air pollution, water pollution, acid rains etc.
The solution for the environmental issue are found away from the national boundaries. Other options are incorrect because multi-viewpoints , political border are not relevant . Resources usage leading to conflicts is also not the solution parameter.
<span>Primary reinforcer are naturally and occurring and do not require an individual to learn any significant method or process in order to work.They are backed by an evolutionary basis.They occur since beginning of time and aid survival species.</span>
