Answer:
The bones of the skull and spinal column
Explanation:
The central nervous system is better protected than any other system or organ in the body. Its main line of defense is the bones of the skull and spinal column, which create a hard physical barrier to injury.
It is a molecule of the compound.
First gap is BY USING MAGNETS
2nd is ELECTROLYSIS
3rd is EVAPORATION
1.0×10^−15/4.2×10^−7=<span>2.3809524e-23 Hoped I helped!</span>
The statement which describes how NO2- reacts in this equilibrium:
<span>H2SO3(aq) + NO2-(aq) HSO3-(aq) + HNO2(aq
is the second option - </span><span>B. as a Brønsted-Lowry base by accepting a proton.
</span>This is because bases take proton H+ in order to become HNO2.