Study the passage carefully and answer the following questions.     Whatever the problem, someone can always oversimplify it. Sometimes a problem is simpler than it seems at first sight, and a cool mind can point to an easy answer. More often though, the simple answers don’t really meet the case. A great scientist of an earlier day, Sir Arthur Eddington, once said that we often think that when we have completed our study of one, we know all about two, because “two is one and one”. We forget that we still have to make a study of “and”.     There’s an important point here, an…

Study the passage carefully and answer the following questions. Global warming is a very serious issue that is concerning every rational being on earth. Changes in rainfall and plant distribution as a result of global warming affect the migratory routes, feeding behaviour and mating habits of many birds. The rise in temperature might also lead to a change in ocean currents which might change their direction. The result will be the disruption of the entire marine ecosystem. Due to the warming of the Arctic…