Answer:
a is false (sorry I don't know the other ones)
Explanation:
0.2 as a percentage is 20%
A. American involvement helped the democratic south defeat the communist north , and a republic was established
July 26,1953 I believe is the answer. Hope it helps.<span />
The immediate effects are easy. Miles of city would be leveled and all inhabitants of that area would be almost instantly killed. The long-term effects would be there would be so much radiation your body could go through nasty mutation and you'd need to be treated if you survived but if don't survive you'd have a long agonizing death. Also all neighboring cities would have radiation surging through them.
For the problem it would have to be b I am pretty Shute