Answer:
Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.) 
Explanation:
 
        
                    
             
        
        
        
This answer is best suited to say that the Broca's area is responsible for speech production and function. Moreover, comprehension is done in the Wernick's area. Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
        
                    
             
        
        
        
Answer: hot spots, divergent plate boundaries, and convergent plate boundaries.
Explanation:
 
        
             
        
        
        
here are majorly 12 factors influence Soil fertility
Infiltration of water.
Soil structure.
Active Soil life.
Content of organic matter.
Minerals present in the soil.
Acidity or Soil pH.
Water Retention capacity of soil.
Water draining ability of the soil.
(google)