Answer:
Piercing your ears with a needle that has been washed thoroughly with soap and water
I would go with B because most times when kids start to feel attracted to males/females, that happens while the teen is maturing.
Explanation:
Health, population, and environment are interrelated in many ways.
If we are observing one individual person and the health of that person we can see that the health of this individual is associated with the environment where that person is living. Rapid population growth is provoking massive environmental degradation because where there are much people, the environment can face great degradation.
First is the brain, spinal cord, and heart begin to develop. Then A blood vessel forms which will later develop into the heart and circulatory system.
