What is the difference between a narrative and a reflective essay, and what does each demand?

Write an essay of 400 to 450 words on: "A country is judged by how it treats its weakest members."

Write an essay of 400 to 450 words on: "We have more information than ever and less understanding."

Write a descriptive essay of 400 to 450 words on: "A railway station at midnight."

What makes a good conclusion to an essay, and what should be avoided?

Write an essay of 400 to 450 words on: "The value of studying subjects that will never earn you a living."

Write an essay of 400 to 450 words on: "Should a young person choose a career for money or for interest?"