Answer:
C
Explanation:
Trilobites were alive the longest time ago, so they would be found in the oldest rock layer. 
 
        
             
        
        
        
Answer:
it is known as big bang reproduction
 
        
             
        
        
        
Stockmanship is a term more common in the beef cattle industry and can be defined as the art and science of handling cattle, or any other farm animal, properly.
 
        
             
        
        
        
1. A
2. A
3. C
I hope this helps:)