~Hello There!~
The missing word is social.
Hope This Helps You!
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Have A Great Day ^_^
- Hannah ❤
True. At least I'm pretty sure it's true. Hope this helped.
The process by which people concentrate on particular skill areas to compensate for losses in other areas is called selective optimization. It is a common occurrence in people where they tend to focus more on what they know they are good at and continue improving that area.
The most efficient way is to make one person pack food and the other deliecering the food.
