The FDA requires retention of investigational drug study records for  The answer is C. At least two years after the investigational drug's approval by the FDA
An investigator shall retain records needed to be preserved under this part for a period of two years following the date a marketing operation is approved for the drug for the explanation for which it is being investigated
        
             
        
        
        
Answer:D
Explanation:
Respiration is the process of taking in oxygen and release of Carbondioxide in the lungs(breathing),the absorption of the oxygen in the alveolar, into the blood stream for distribution to tissues , the combustion of the metabolites(glucose,amino acids, and fatty acids and glycerol)with the inhaled oxygen to give energy as ATPS and water vapour.
 
        
             
        
        
        
Answer:
The James-Lange theory of emotion. 
Explanation:
According to the James-Lange theory, emotion is equivalent to the array of physiological arousal resulting due to external incidents. The two scientists indicated that for someone to feel emotion, he or she must first encounter with bodily responses like increased heart rate, increased respiration, or sweaty hands.  
Once this physiological reaction is determined, then the individual can suggest that he or she is feeling the emotions. This is in contrast to the general common-sense way of thinking regarding the cause and effect association between the experience of emotion and its expression.  
 
        
             
        
        
        
Answer:
d
Explanation:
it takes the weight of that much ice to cause the plastic to flow. 
 
        
                    
             
        
        
        
Answer:
The smallest unit of matter is an atom.
Explanation:
It is an atom because an atom is the smallest thing, that has weight and takes up space.