Global warming "<span>B. threatens polar ecosystems". All the other answers are false, especially answer A. There is a lot that can be done to stop global warming, such as reducing energy consumption.</span>
In 330 A.D., Roman Emperor Constantine I chose Byzantium as the site of a “New Rome” with an eponymous capital city, Constantinople. Five years earlier, at the Council of Nicaea, Constantine had established Christianity—once an obscure Jewish sect—as Rome's official religion.Aug 24, 2010
Answer: Its (D)
Explanation: Hope this helps!!!
