What are some of the reasons why people may not talk to babies as much today as they used to?

Why is it necessary to obey social norms? write briefly.

During the(answer), roman generals warred over succession. these conflicts drew soldiers away from the frontier and made the empire vulnerable to( answer) a. imperial crisis b.inflation c. pax romana d. great schism e. trade how did the huns contribute to the fall of the western roman empire? select all that apply. a.they stopped trading with rome, which caused inflation. b.they hindered roman trade along the silk road. c.they conquered and burned rome. d.they dealt the roman army a major blow at chaldôn. e.they drove germanic people into the empire. what condition made the byzantines vulnerable to attack by muslim turks? a.the council of nicea b.the death of constantine c.ongoing wars with the sasanian persians d.invasions by huns and germanic peoples today, the (answer) still heads the roman catholic church, which is centered on rome. there is no longer a byzantine emperor, but each country has its own ( answer) to lead the eastern orthodox church there. ceasor b. bishop c. pope d. tsar e. governor f. patriarch g. perfect h. council the teachings of jesus became a religion in large part because ( answer) spread his teachings and gathered followers. paul carried christian beliefs throughout the roman empire and attracted many ( answer) a. apostiles b pharisees c. non jews d.sauducees answer (correct) and i will give brailiest thxx .

It has been reported that the dna of the elephant shark has barely changed over the last 420 million years. which statement explains why the elephant shark has not changed over time?