Originally Posted by Beantown Bronco
suspension of disbelief.......it's not for everyone
I can believe aliens are hostile and would come to earth for less then noble purposes...but regular H20 is an acid for them? What happens if they land in North Africa and the area gets one of those once every two centuries rain storms?...there goes that invasion fleet. What about water vapor in the air? They should not have been able to breathe on earth...