Answer:
D
Explanation:I alredy know this i am in 7th gread
 
        
             
        
        
        
Room temperature has the highest viscosity
        
                    
             
        
        
        
Answer:
In our Sun, as in other stars, roughly 99.9% or so of all light emitted is emitted in a thin layer known as the photosphere, or light sphere. This is explained as follows. Interior to the photosphere the gas is ever denser and becomes far too opaque for any photon to emerge directly from that layer.
Explanation:
 
        
                    
             
        
        
        
Lithium gives up electrons
        
                    
             
        
        
        
Beryllium is a metal so it needs to loose electrons to have a full outer shell while sulfur is a non-metal so it needs to gain electrons to fill its outer shell.