True. The appearance of your hair can indicate many things about your attitude and your health.
Student readiness is a student's current level of knowledge, which affects their ability to complete a specific task at a given time. Teachers can determine readiness by giving regular screenings or assessments and can use that information to adjust teaching methods and activities.
Answer: A foot fault
Explanation:
A foot fault occurs when one player steps over, or on the baseline during a serve before making contact with the ball. Though difficult to call in some situations, any contact with the line at all is considered a foot fault, and will be called if observed.
All the options above can result from economic specialization. The correct option is the last one.