Answer:
The correct answer is option B
B. encourage customers to try out the product before purchasing it.
Explanation:
I believe the safety and satisfaction of the customers is the priority in business so it will put the customer's life at risk to ask them to try out the product before purchasing it. What if there is a defect in the product which could be harmful to the customers?. To I believe that option is not part if the safety principle.
Disruption to the "normal" state of mind is due to an event is STRESS
AI2 S3 , you need the most common oxidation numbers for the two elements
AI: 3+
S: 2-,2+4+ and 6+
AI2 S3 is Aluminium Sulfide which you get from the reaction of the elements: SAI + 3S to get AI2 S3
hope this helped :)!