Boys:
-Deepening in Voice
-Growth Spurts
-Pubic Hair Development
-Increased Production of Testosterone and Sperm Cells
Girls:
-Growth Spurts
-Pubic Hair Development
-Menstrual Cycle Begins
-Increased Production of Estrogen and Eggs
60spf or higher
I think not sure but pretty sure that's correct
Metastasis, the process in where cancer cells break off from their original position, and travel throughout the bloodstream