This email is structured in a professional manner, which is important when communicating with instructors. The subject line clearly states the purpose of the email, making it easy for the professor to understand the context. The greeting is polite and respectful, which sets a positive tone. The body of the email expresses concern without being confrontational, and it requests a meeting to discuss the issue further, showing a willingness to engage constructively. Finally, the closing is courteous, reinforcing professionalism.