B. The air you breathe.
Because the rest of the choices are not environmental factors. Gang activity, and access to jobs and education are not environmental because environment are things about the world.
Answer:
immunization, health screenings, labratory, radioalogy, pharmacy, mental health and dental.
Explanation:
There are 4 chambers of the heart
<span>Children form there own grammar rules by finding patterns and forming hypetheses</span>
