can you please make it clear and answer it

1. In your own words, describe the Three-Level Architecture: External, Conceptual, and Internal. 2. What is the difference between the relational, hierarchical and network approaches to database management systems. 3. Complete the homework in your own words. DO NOT copy answers from other students or from the internet. plagiarism is NOT tolerated. All your work should be unique and done by yourself. 4. Submit your answers as a PDF file to Homework \#1 Dropbox on D2L. Any other formats will not be graded