Answer:
If they are looking for one BEST answer, it is the water. 
If looking for top two, it is water and soil. 
Realistically, however, this disposal can contaminate all 3. 
Let me explain:
The motor oil that is dumped on a driveway first makes its way into the soil. The freshwater found in this soil becomes contaminated with motor oil and can eventually runoff into the ocean. Once this liquid evaporates, it then becomes air pollution. Shortest, best answer tho is water. 
Hope this helps. Have a great day!
 
        
             
        
        
        
Answer:
A. sexually
Explanation:
The organism has haploid gametes. Human sex cells (egg and sperm cells) contain a single set of each chromosome, making them haploid. During fertilization, the organism acquires a set of chromosomes from each parent, making it a diploid (two sets of each chromosome) zygote.
Hope this helps.
 
        
                    
             
        
        
        
Answer: prokaryotic cells
      Explanation:
A prokaryotic cell is a cell without a nucleus.  Since this is a simple definition I cannot explain much further, but an example of a prokaryotic cell is bacteria. 
 
        
             
        
        
        
<span>A retrovirus is anything of a group of RNA viruses that insert a DNA copy of their genome into the host cell to replicate.
your welcome 
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Answer:
relationships among organisms and evolutionary relationships for organisms with a shared common ancestor.