A. Isotopes
Definition: another form of the same element, that have different relative atomic mass but the same chemical properties
        
             
        
        
        
Answer:
Compression is a reverse fault, tension is normal fault and shear is strike slip fault.
Explanation:
Compression is a reverse fault, tension is normal fault and shear is strike slip fault. Reverse fault is opposite of normal fault which occurs due to the stress of compression on an object in which both object come close together. Due to tension stress, rocks pulling apart from each other, produces a normal fault. Shear is strike slip fault because in strike-slip fault, the two blocks slide over one another
 
        
             
        
        
        
Answer:
1. Claws 2. Hibernation 3. Venom
Explanation:
 
        
             
        
        
        
Answer:
A. It is a source of genetic variation