问答题

Below is a table of "Diet and Health" showing the different daily intake of calorie and protein per capita between a British and an Indian. Look at the table and write an essay of about 150 words making reference to the following points:
1) daily basic requirement of calorie (热卡) and protein (蛋白质) per person;
2)the influence of the different daily intake between a British and an Indian towards life expectancy;
3) daily calorie (热卡) and protein (蛋白质) consumption and life expectancy.