Answer:
<em></em>
- <em>There are 30 experimental units in the experiment, which are the 30: the thirty sheets of metal.</em>
 
Explanation:
This table shows you how the <em>experimental</em> units, <em>sheets of metal</em>, were treated:
                Metal 1         Metal 2       Metal 3       Total
Paint A         5                     5               5                15
Paint B         5                     5               5                15
Total            10                   10              10               30
Fifteen sheets (units) were treated with <em>paint A</em>: 5 of metal 1, 5 of metal 2, and 5 of metal 3.
Fifteen sheets (units) were treated with <em>paint B</em>: 5 of metal 1, 5 of metal 2, and 5 of metal 3.
 
        
             
        
        
        
Cogeneration is the process of taking a waste product or process and producing heat and generating electricity from it at the same time. 
It could be collection of waste heat from the original generation of electricity or burning of biodiesel, ethanol or methane gas from sewer or cow dung. The only answer where electricity is using or creating heat and generating electricity power is C.
        
             
        
        
        
Hello there :) 
The answer to your question is oncogene.
Hope this helps and have a great day!
        
             
        
        
        
Answer:
A
Explanation:
The Plan represented one of multiple early attempts to form a union of the colonies "under one government as far as might be necessary for defense and other general important purposes."