Middle adolescence is characterized by
a. feelings of invincibility
b. simple thinking processes
c. increasing conflict with parents
d. logical, mature decision making

The correct answer for the question that is being presented above is this one: "d. logical, mature decision making." Middle adolescence is characterized by logical, mature decision making. But in real life, most parents don't even feel the development that is characterized by the middle adolescent.

Middle adolescence is characterized by increasing conflict with parents - c.

Developmental psychologists have long established the link that during adolescence the amount of conflict with parents becomes bigger together with increased feelings of invincibility which are characteristic for this period (though for a smaller scale). 

You would modify how often you work out in reps and sets and also modify calorie intake