Abiotic features are not living. they may play a role in helping biotic creatures live, but them theirselves do not live.
        
             
        
        
        
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:
Washington d.c is the capital of the u.s
 
        
             
        
        
        
Answer:
B. Smaller fragments travel faster and farther than larger fragments.
Explanation: Shorter molecules move faster and migrate farther than longer ones because shorter molecules migrate more easily through the pores of the gel. This phenomenon is called sieving. [2] Proteins are separated by charge in agarose because the pores of the gel are too large to sieve proteins.
 
        
             
        
        
        
Answer:
Less oxygen.  Less life.
Explanation:
Plants make up most of our oxygen here on earth, because of the carbon cycle and photosynthesis.  They take carbon dioxide, and turn it into oxygen.  And not only that, but some animals live in trees to protect themselves from birds and other animals.