Aglance, however, at his countenance convinced me of his perfect sincerity. what does the word countenance mean in this sentence?

Which of the following is an advantage of using nuclear power plants to produce electricity?

Skeleton and keyword outlines are most appropriate for what speech style? extemporaneous impromptu manuscript memorized

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?