What is the correct answer about: Topic 2 from File 1?

What is the correct answer about: Topic 4 from File 2?

What is the correct answer about: Topic 3 from File 1?

What is the correct answer about: Topic 8 from File 1?

What is the correct answer about: Topic 13 from File 1?

What is the correct answer about: Topic 17 from File 1?

What is the correct answer about: Topic 3 from File 1?

What is the correct answer about: Topic 8 from File 1?

What is the correct answer about: Topic 13 from File 1?

What is the correct answer about: Topic 2 from File 1?