B The u.s constitution should be considered a living document because it can be amended to reflect the values of the time :)
Empirical evidence is gathered from experiments when you do research. You might notice in chemistry or mathematics, that some correlation have empirical constants already. They have already established these values through experiments and approved by the scientists. Examples of empirical values are the Avogadro's number which is 6.022 x 10^23 particles/mole and the speed of light which is around 300 million m/s.
b and d becuaseregard is the last one and respect is the second one.
