Answer:
Bones aren't made of calcium metal. Bones are a collegun structure filled in with mostly calcium carbonate and some calcium phosphate
Explanation:
I hope this helps
8.4
-log(4.08x10^-9) = 8.4
- Hope that helped! Please let me know if you need further explanation.
chemical.............
C. water acts as a radiation shield to reduce the radiation level
The answer is B which is 40