Answer:
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.
Step-by-step 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.