What behavior do elements in a stack follow?

A stack follows the LIFO (Last In First Out) principle, the element inserted at the last is the first element to come out. The insertion of an element into stack is called push operation, and deletion of an element from the stack is called pop operation

Explanation:

1. b

2. c

3. b

4. a

5. b

if you suspect that your immediate supervisor, department manager, or company is engaging in something unlawful you must do your best to end the misconduct immediately while also protecting yourself, your livelihood, and your family’s future.