Answer:
your answer it figure B the younger material is always closer to the surface
 
        
                    
             
        
        
        
#11 is Binary Fission 
#12 is Tissue or Tissues
#15 is Eukaryotic 
        
             
        
        
        
Answer:
Purple, spherical-shaped organisms arranged in chain like formations.
Explanation:
Bacteria are the microscopic organisms and included in the prokaryotes as they do not have nucleus. Two main types of bacteria are gram positive bacteria and gram negative bacteria. 
The gram positive bacteria has thick cell wall peptidoglycan cell layer and can uptake the crystal voilet stain. These bacteria seems purple under the microscope due to the uptake of stain. The bacteria Streptococcus pyogenes are spherical in shape and occurs in the cluster of chain.
Thus, the correct answer is option (d).
 
        
                    
             
        
        
        
Answer:
my best answer is b due to logic if not then d
Explanation:
 
        
                    
             
        
        
        
Carrying out experiments to prove a point and to further knowledge about the world around us and the galaxy we live in