Answer:
D: to transport materials through the body.
Explanation:
A: to bring oxygen into the lung. is incorrect because it's respiratory system
B: to put carbon dioxide into all the blood vessels carbon dioxide is exhaled out of the body
C: to expel waste products from the body. is excretory system
The answers this question is A.
C. The reaction goes from one of less moles to more causing it to be more disordered and therefore have a positive change in s
Atomic mass / mass number / atomic weight
(all of which mean the same thing)
It is c I hope I helped out with this question!.
