The answer's D. Cretaceous.
        
                    
             
        
        
        
Answer:
C. primary cell wall → plasma membrane → cytoplasm → vacuole.
Explanation:
Every molecule or particle which enters into a cell, it must pass through several cellular structure at different level means it also depends on the type of molecule like size, shape, and nature (characteristics). On the surface of root cell, potassium ion pass through the primary cell wall which is most outer layer of plant cell, then it passes the second layer called plasma membrane, in the plasma membrane cytoplasm is present and when potassium ion reaches the cytoplasm then it will enter into the vacuole present in cytoplasm.
 
        
                    
             
        
        
        
Carbohydrates- cellulose cell wall in plants, chitin exoskeleton & fungal cell wall
Lipids- cell membrane (phospholipids)
Protein- Fibrous ( skin, fingernails, horns, feathers)
Necleic acid- stores genetic info(dna)
 
        
             
        
        
        
Answer:
three years old i think. sorry if its wrong
 
        
                    
             
        
        
        
Answer:1) Water carries the nutrients to the cells of our body.
2) Water helps in the excretion of toxins and wastes.
3) Water regulates the body temperature. 
Explanation: