Sandy persists in mixing toxic chemicals without a face mask and can be seen out spraying pesticides and weed killer with abandon. She believes she is too young and healthy for any of this to have any negative consequences. This demonstrates the concept of ___ that is typical of adolescents' thinking.

The personal fable.

Explanation:

The personal fable is a belief or notion that one perceives about himself/herself common during adolescence. They perceive themselves to be too unique a person ever walked on the planet. They believe that no problems can affect them regardless of their behavior.

In the given case, Sandy is exemplifying a personal fable. It is because she is using toxic chemicals without face mask and spraying pesticides and weed killer abandon. She is perceiving that these toxics can not harm her because she is young and healthy. It is a personal fable.

Thus, the correct answer is personal fable.

answer; /// i do believe its the ; //(iroquois)they were made up of several groups who spoke a common language;

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