Answer:
 520,000,000,000 Nanometers = A
Explanation:
 
        
                    
             
        
        
        
I believe group of cells working together and or performing the same task can be categorized also as a specialized tissue.
        
             
        
        
        
Answer:
<em>The kidneys act as very efficient filters for ridding the body of waste and toxic substances, and returning vitamins, amino acids, glucose, hormones and other vital substances into the bloodstream. The kidneys receive a high blood flow and this is filtered by very specialised blood vessels.</em>
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Answer:
El proceso general de meiosis produce cuatro células hijas a partir de una sola célula madre. Cada célula hija es haploide, porque tiene la mitad del número de cromosomas que la célula original.
Explanation:
Espero que esto te ayude :)
 
        
             
        
        
        
Answer:
it's the sun
Explanation:
the water cycle is driven primarily by the energy from the sun