I think you just answered your question. They encourage adolescents to eat calcium-rich foods because it aids in bone formation, like you said.
Answer:
A Y-chromosome
Explanation:
Males have one X and one Y chromosome
Pretty sure its secondary waves
Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.
The Theory states if my memory is correct. All living things contain one or more cells. And all living cells Come from preexisting cells. Robert Hooke discovered the cell while, Theodor Schwann and Matthias schleiden are credited to the creation of the cell theroy
