To be able to tell the difference in cords 
        
             
        
        
        
Why not watch the video for starters
        
             
        
        
        
Answer:
<u>Discretion</u> is the correct answer, hope it would helps you :3
 
        
             
        
        
        
Answer:
Fossils are the remains of living things (plants, animals, people), not of things that were made. Artifacts are the remains of things that were made, not the remains of living things.
Explanation:
~Hope this helps :)
 
        
             
        
        
        
This system operates primarily on the use of<span> "positive reinforcement".
In operant conditioning, positive reinforcement includes the expansion of a fortifying stimulus following a conduct that makes it more probable that the conduct will happen again later on. At the point when an ideal result, occasion, or reward happens after an activity, that specific reaction or conduct will be fortified. </span>