Answer:
It's True!!!!!!!!!!!!!!!!!!
 
        
             
        
        
        
It has not. Evolution is not a process that can happen to individual organisms; it's change that happens to a species over many generations.
        
                    
             
        
        
        
The correct answer is option A,
Reason - The density of outer core is less than the density of inner core density and thus among all the given options the more probable answer is option A
 
        
             
        
        
        
Answer: Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane.
 
        
                    
             
        
        
        
Answer: d. Extracellular matrix was discovered more than 20 years ago.
Explanation:
According to biological sciences, the extracellular matrix is a matrix that consists of three dimensional network of extracellular macromolecules such as enzymes, collagen and glycoproteins which provide structural and biological support for surrounding cells as well.
It is found that it is discovered over 20 years ago in the matrix formed in the mouse EHS sarcoma. Therefore, correct answer is (d).