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The correct answer to the question is:
B. a growth spurt
Explanation:
1. A growth spurt is a period during which a child or adolescent experiences a rapid increase in physical growth. It is characterized by a noticeable and accelerated growth in height, weight, and skeletal development.
2. In Sebastian's case, growing two inches over the last six months and showing a spike in physical and skeletal growth during his yearly physical exam indicate that he is going through a growth spurt.
This period of rapid growth typically occurs during puberty when the body undergoes significant changes, such as the development of secondary sexual characteristics and an increase in height.
Therefore, the correct term for Sebastian's experience in this scenario is a growth spurt.
