The are around 54 degrees 40' or Fight is the southern boundary of the United States with Mexico which is a western territory that is under dispute. The Oregon Territory covered modern states of Oregon, Idaho, and Washington. Also, it includes the western coast of Canada up to the border of Russian Alaska.
Explanation:Pioneer species are hardy species that are barren due to fire so pioneer species has to occur first,then soil formation before plant growth.If the soil does not reform ,there is no way plant growth can occur.
Diathesis-stress model is a theory in psychology which explains disorder as a combination of genetic predispositions and stressful life experiences. Diathesis can include genetic or biological factors, and stress is events interrupting or damaging psychological status of a person.
