Answer:
Sudden Influx of Nutrients
Explanation:
Algal blooms are caused by a sudden influx of nutrients, coupled with already warm temperatures.  This can happen from fertilizer runoff from farms or chemical industry waste.  They allow algae to quickly grow, but the water reaches carrying capacity.
 
        
             
        
        
        
During the process of ossification, an existing tissue is replaced by bone.
        
             
        
        
        
<span>The genetic material of HIV consists of two molecules of single-stranded RNA.
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