Based on this text, what might cause HVAC apprentices to have different requirements for becoming certified technicians?
A Some mentors and apprentices may not get along very well.
B Mentors may feel their students are not ready to work alone.
C Certification requirements vary from state to state.
D Learning to perform tests on equipment requires extra hours.
The correct answer is C Certification requirements vary from state to state.
Explanation: Different states may have unique regulations and standards for HVAC certification, which can lead to varying requirements for apprentices based on their location. This means that what one apprentice needs to achieve certification may differ significantly from another apprentice in a different state.