Does "Veins, unlike arteries, are thin and rigid as they do not need to withstand extreme pressure." contain the correct answer to "Why are birds' arteries composed of thick elastic muscles?"

A: no

Does "The Roman concrete has remained a riddle, and even after more than 2,000 years some Roman structures still stand magnificently." contain the correct answer to "What facet of the capital city was emulated by other urban centers in the Roman Republic?"

A: no

Does "Later the region saw the first states to adopt Christianity officially - initially in Armenia (301 AD) and in Georgia (337 AD), later in the Great Russian Principality (Kyivan Rus, Russian: , ca 988 AD)." contain the correct answer to "What was the first state in this region to adopt Christianity?"

A:
yes