Glucose is the main provider of energy for the brain and the nervous system. Because the brain is so rich in nerve cells, or neurons, it is the most energy demanding organ, using one half of all the sugar energy in the body. Brain functions such as memory, thinking and learning are closely linked to glucose levels and how efficiently the brain uses this fuel source. 
        
             
        
        
        
Answer:
I think it's c. 
Explanation: 
The main function of lysosomes is to help with cell metabolism by ingesting and dissolving unwanted parts of the cell, cell debris, or foreign substances that have entered the cell. So, techinally a street sweeper has the same job as a lysosome since they are getting rid of unwanted stuff. 
 
        
             
        
        
        
The best explanation for the the early hominid that indicated most of her body weight was above her pelvis is that her apelike structures indicates she could use tools like a chimpanzee. Scientists call her the Handy Human. The correct answer is C. 
        
                    
             
        
        
        
Answer:
The correct answer is orange.
Explanation:
Carotenoids are the accessory pigments generated by plants.Carotenoid belongs to terpinoid family of secondary metabolites.Many vegetables such as pumpkin,tomato, carrot  have specific color combination only due to the presence of carotenoids.
       Carotenoid is responsible for orange,yellow and red coloration of various vegetables such as pumpkin,carrot,tomato etc.
 
        
                    
             
        
        
        
The answer for this question is B.
Hope this helped!!