Abilities may lead them to question their parents and other authority figures far more strenuously, and may make adolescents impatient with imperfections in institutions such as schools and the government.

Abstract reasoning

Explanation:

Adolescents' increased abstract reasoning abilities may lead them to...

That is the full statement.

Abstract reasoning is defined as the ability to analyze information, detect patterns and relationships, and solve problems on a complex, intangible level. Examples of abstract reasoning may be questioning or formulating theories as to why we exist, and debate the existence of a higher power watching over us.

It is at this stage that many adolescents develop their own morals and understandings of the way the world works. They may feel rebellious against their parents or other authoritative figures.

The missing part of the question is: Adolescents' increased abilities may...

Adolescents' increased abstract reasoning abilities may lead them to question their parents and other authority figures far more strenuously, and may make adolescents impatient with imperfections in institutions such as schools and the government.

Explanation:

Abstract reasoning is developed during the adolescence and last our entire life. It is the ability to solve problems, analyze and deduce things, without needing concrete objects to do so. For example, the ability to make mental calculations, or start questioning things that you perceive as wrong in an institution such as the school or the government but that are not concrete things like laws, or schemes inside a system.

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