Answer:
B) False
<em>is</em><em> </em><em>a</em><em> </em><em>right</em><em> </em><em>answer</em>
The line of defense that is his immune system exhibiting is that of "first line of defense." There are only 3 lines of defense in the immune system. The first line of defense are a combination of physical and chemical barriers that prevent all types of foreign agents from penetrating the outer layer of the body. In this case, it is the nasal cavity.
Hoped I helped!
The correct answer is option D. Calcium.
Low bone density can be due to a lack of calcium thus requiring supplementation.
Answer:
B. budget cuts at the state level, force schools to do more with less money and resources.
(I'm 90% sure it's B. but it also could be A.)