I have confusion regarding
Vehicles on road ( it could be A i.e. tanker)
Most advanced ( it could be B i.e. photos)
Alvin samples ( it could be C i.e. chemicals)
I wrote
Genetic
Consequence on promotion
Impact on physical health
Repetitive and reinforce behaviour
Steps to start small progress
Beating by technology
How mind cause procrastination
IN THE SAME ORDER