The north and south fought for their rights of owning slaves. The south was for slavery, and the north was very against it. Many people died, and the north won
50/50
you see, the coin only has 2 sides
Also, you're flipping it twice
therefore, the probability is matched up and you have a 50/50 chance of getting heads at least 1 of those 2 times
(Hope it helped ^_^)
D. All 3..................................
Least dense to most dense: gas, solid, liquid.