Answer:
Comparing DNA
 
Explanation:
 Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor.
 
        
             
        
        
        
<span>In real life, the presence of friction. Choice B</span>
        
                    
             
        
        
        
First, ISA means Industry Standard Architecture. it is a standard bus architecture that is associated with the IBM AT motherboard. The Industry Standard Architecture has three key functions. first is it is informative, the second is it is directional and the last one is it is locational.
        
             
        
        
        
Answer:
Ligament
Explanation:
The ligament is a primary connective tissue which connects one bone to another bone in the skeletal system of humans. The ligaments are present is the ankles, knee, elbows and shoulders and in other joints.
The ligaments if broken cannot be regenerated and provides many functions like it provides guidance, input to the nervous system and provides stability to the bones and facilitates the movement.
Thus, Ligament is the correct answer.