Answer:
I need to see the chart to figure this out
Explanation:
Is this a true or false question? If so it is false
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.
It would be helpful is you added the answer choices, but she could increase the intensity/work with more vigour to increase her heart rate.