I believe the answer is B. Hope this helped!
-TTL
Acidosis, the pH of a human should be 7.4 and never lower than 7.35
Answer:
There are many types of matter because one thing or substance can change its structure depending on its environment such as how much pressure it's under and what kind of temperature surrounds it.
Answer:
B:17
Explanation:
The atomic number is always the Proton number.
I think the mean DNA but don't quote me on that.