Answer:
1) The rocks are probably the same age. 
<u>If two rocks both contain the same type of index fossil, their age is probably very similar.</u>
2) Eon
Definition of Eon: An immeasurably or indefinitely long period of time 
 
        
             
        
        
        
Pollution can effect the food chain and the food web In many ways. The first of wich is it can kill off animals. A good example of this is marine life.  
        
                    
             
        
        
        
Answer: ionic bond
Explanation: Ionic bonding is the complete transfer of valence electron(s) between atoms. It is a type of chemical bond that generates two oppositely charged ions. In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.
 
        
                    
             
        
        
        
The correct answer is Galen.  
Galen considered anatomy as the foundation of medical knowledge, and he recurrently dichotomized and tested on the lower animals like pigs, sheep, and goats. Galen's supported dissection as the method to better the skills of surgery and research works.  
In his work, he illustrated seven pairs of cranial nerves, observed the structural distinctions between the veins and arteries, and illustrated the valves of the heart.  
 
        
             
        
        
        
Answer: c.  Is spontaneous generation a valid explanation for maggots in meats?
Explanation: