I am pretty sure it's C. Insulator.
If you add the amount of protons with the amount of neutrons, you get the atomic mass. Sodium has 11 protons, and 12 neutrons. 11+12=23
Answer:
B.) High blood viscosity leads to slower blood flow.
Explanation:
:D
Answer:d)mimosa plant folding its leaves when touched in an effort to keep them from being eaten.
Explanation:
