The bering strait is the land bridge
C. There are 20 marbles, and 2 of them are green, so your probability of picking out a green one is 1/10. So if you pick lots of marbles and put them back, the probability stays the same. I would say the answer is true.
I reckon B is True, too.
Explanation:
After the United States Civil War, state governments that had been part of the Confederacy tried to limit the voting rights of black citizens and prevent contact between black and white citizens in public places.
Answer:
B) the Chinese armed forces had been removed from the city
Explanation:
The city of Nanjing was extremely powerless against Japanese attacks since Chinese political and military leader Chiang Kai-shek and General Chen Cheng pull back from the city of Nanjing alongside elite Chinese troops under substantial and consistent barrage by the Japanese Imperial Air Force. Therefore the city was absolutely unprotected and absolutely helpless against the Japanese attack.