Answer:
Resource planning is the act of allocating and utilizing resources (people, machinery, tools, rooms etc) to achieve maximal efficiency of those resources.
Explanation:
That's the official resource planning definition.
I believe the answer is: Formal Operational Stage
During the Formal Operational Stage, people already developed the ability to form abstract thinking and <span> solving complex problems.
For average people, Formal operational stage started when we're around 12 years old of age and keep developing until our late adulthood.</span><span />
I believe the answer would be first one
