Answer:
The stem cells differentiate into chondroblasts. 3. These chondroblasts, located at the periphery of the old cartilage, begin to produce and secrete new cartilage matrix. As a result, they push apart and become chondrocytes, each occupying its own lacuna.
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An absorption line will appear in a spectrum if an absorbing material is placed between a source and the observer.
        
             
        
        
        
This is a metal!
I believe this is a metal because non-metal can be cut out instantly as this element shown has a metallic luster. Metalloids can be removed as they are worse at the conduction of electricty than metals, and all of the other properties listed are properties held by metals.
(Yes this is just my old answer but only because it is really the same reasoning)
Hope this helps, if not, comment below please!!!
:L
 
        
             
        
        
        
Answer:
nutrients in the ground and the new life that approaches that territory tend to start everything over cause sand and bare rock doesn't have a lot of biodiversity 
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A protein may consist of as many as 5,000 a.a.ms.