| The role of the geosphere itself as a chemical containment barrier is relatively difficult to evaluate. |
| The book deals extensively with the traditional economy, the structure of Dene Kinship and its role in social organization. |
| The dreadful Middle Passage could last from one to three months and epitomized the role of violence in the trade. |
| Adaptation, a concept of increasing interest to cultural geographers, plays an important role in shaping patterns of cultural diffusion. |
| The program helps people recently released from prison figure out how they can play a constructive role in society. |
| Diverse subsets of cortical interneurons play a particularly important role in the stability of the neural circuits. |
