The actual answer is, "A", an ocean trench.
You can find out more about them by researching them up on Google, it's only a few phrases and a hit on the enter key :P
        
             
        
        
        
True because thermal energy is mostly always used for a machine
        
                    
             
        
        
        
Answer:
Biotechnology.
Explanation:
Biotechnology may be defined as the field of biology that uses the living organisms to make product by using molecular techniques. Biotechnology involves the different field like  biomedical engineering, biomanufacturing and bioengineering.
The genetic system of the living organism can be modified to obtain the desired products. Artificial insulin is prepared by the application of biotechnology. The new drugs in the market and desired trait in the living organism can be prepared by the biotechnology field.
Thus, the correct answer is biotechnology. 
 
        
             
        
        
        
<span>Most elephant shrew species were first describedin the 1800s by scientists who ... DNA evidence is very conclusive and some say 99% accurate, however it is possible to challenge it based upon faulty collection and/or faulty lab techniques.</span><span>
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Answer:
well the 1 or 3 is my guess
Explanation:
The 1 is my main answer but 3 is a possibilty i suppose