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The other point I wanted to make is that the Kenyan example is very good at leading to the question of how policy formation works and does not work in less developed countries . However , the brain is very good at making up for a weak vestibular system , and most children and adults with EVA do not have a problem with their balance or have difficulty doing routine tasks . This view is very good at explaining the fact that we have lots of conflict in world politics , and that the conflict takes place over interests ; states that are more powerful get their way over those that are less powerful . top Articulation and feedback The web is very good at providing subject-related information to students . Physics is very good at describing the space-time movements of the very large , like super-galaxies , and the very small , like quarks and atoms , but at the scale where I work and breathe , in my day-to-day interactions with my fellow man and woman , physics does not explain much about the space-time movements of the objects swirling about me .