As a child, alex was short for his age. but during his teenage years, his height increased and he surpassed most of his friends. what must have occurred to create this growth spurt?

This teenager had a growth spurt due to several factors (external and internal factors).

The growth spurt is influenced by the genes that he inherited from his parents. Their geographical origins are also an indicator.

Living conditions also affect growth.

The decline in infectious diseases and a diet richer in protein explain why the pace of growth has changed significantly for more than a century.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.