Rhinoviruses and herpes simplex are just two common viruses out of the other thousands of them that the immune system has to protect the body against.
 
        
             
        
        
        
Answer:
it has one Valence electrons
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Answer:
Explain how the biosphere facilitates movement of water from the geosphere to the atmosphere. The biosphere includes all living components of the Earth. ... Water from the plants is incorporated into the atmosphere through a process called transpiration, where water from the plant evaporates and enters the atmosphere.
 
        
             
        
        
        
Answer:
D
Explanation:
Crude oils, shale,  and natural gas are some of the fossil fuels formed in this way. They are specially formed when vast amounts of algae die and sink to the bottom of the oceans over time and accumulate with sediments. They become buried under vast layers of sediments that apply high pressure. Over time, the high pressure and temperature turn the organic molecules into fossil fuels.