D. Pathogen. :) I hope it right :)
The nervous system and cardiovascular system
I believe the answer is A. <span> fluoride
American Academy of Pediatric Dentistry stated that Toothpaste that contains fluoride is proven to prevent tooth Decay.
This happens because Flouride would slow down the breakdown of Enamel and would make our teeth much more resistant to Acid.</span>
<span>Environmental I believe is the correct answer.
hope this helps!</span>
I think what your asking for is:
Misha should definitely speak to someone about this "relationship." She needs to break it off because it is not good for her mental health.
Please mark brainiest :D