The size and shape have no effect on density of matter because the size and shape of the particles stay the same no matter what.
        
             
        
        
        
True. The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave. ... Such sound waves form the basis of intervals in music.
        
             
        
        
        
Answer: The last option. 
Explanation: The precautionary principle would be considered to be most strictly applied where the precautionary measure is most disproportionate to the given risk. In all but the last option, there are either measures taken in response to concrete problems, or the precautionary measures are actually relaxed. In the last option, though, there are merely “fears” that antibiotics and growth hormones could cause harm (no experimental evidence), but the school board still takes the strict precautionary measure of mandating that schools only serve organic milk.
        
             
        
        
        
Is this a multiple choice question..?
Add some more information! 
        
                    
             
        
        
        
The answer is corrosive health hazard.