They are inversely related. As the distance increases the magnetic attraction decreases and when the distance decreases the magnetic attraction increases
        
             
        
        
        
If we put a plastic bag over a branch of a tree, it should fill with the water vapor that the tree is releasing. If there is enough water vapor in the bag, it will condense into the liquid form of water, and we will be able to see it.
        
             
        
        
        
If about 30% is A then 30% is T. That leaves 40% to be G + C...so each must be around 20%.