When vivien show Dr. Blalock the new respirator what is the most basic aspect of their relationship

Chan was leading a group discussion in his university. he discovered that a few participants were dominating the discussion and not letting others speak. what should chan do in such a situation a. chan should allow participants to speak until they are finished b. chan should adjourn the discussion and recommence at a later point c. chan should bar the dominant participants have the freedom to share their opinion d. chan should ensure that all participants have the freedom to share their opinion e. chan should restructure the group so that the dominant participants are isolated

What is the central idea in this advice from branch rickey to jackie robinson?  

Read the passage from an argumentative essay. many endangered species are currently threatened by climate change. there are some laws already in place, but are they effective enough? anyone with a conscience knows that these creatures deserve the chance to survive without outside threats impeding their survival. i suppose this is a tough decision for lawmakers, but i hope they choose wisely. which statement best evaluates the claim in the passage?