Verification of truth – "A college always comprises ____." Identify the essential component.

Introduction / Context:
A college is an educational institution. The core function—teaching/learning—requires academic staff (teachers), even if infrastructure varies.

Given Data / Assumptions:

• Instruction is essential to collegiate education.
• Physical artifacts (books, boards, buildings) can vary or be virtual.

Concept / Approach:
Choose the element necessary for instruction.

Step-by-Step Solution:

Why Other Options Are Wrong:
They are common but not logically required.

Final Answer:
Teacher