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Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate
Flexible exchange rates are supposed to prevent long-term trade deficits.